The missing value should be in the table is 750 and 1250.
1 250
2 500
3 750
4 1000
5 1250
Since we can see that there is the gap of 250 in each words
like
= 250 + 250
= 500
So
= 500 + 250
= 750
And, so on
learn more about quantities here: https://brainly.com/question/13690145