Finding the Fourth Proportional to 1,267,331.62, 1,748,645.37 and 751,248.10
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Solution
The fourth proportional to 1,267,331.62, 1,748,645.37 and 751,248.10 is: 1,036,560.98
Step by Step Solution
- Step 1: Write the proportion equation
1,267,331.62 : 1,748,645.37 = 751,248.10 : x - Step 2: Convert to fraction form
1,267,331.62/1,748,645.37 = 751,248.10/x - Step 3: Cross multiply
1,267,331.62x = 1,748,645.37 × 751,248.10 - Step 4: Simplify right side
1,267,331.62x = 1,313,666,511,786.30 - Step 5: Solve for x
x = 1,313,666,511,786.30/1,267,331.62 - Step 6: Final answer
x = 1,036,560.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.