Finding the Fourth Proportional to 1,502,663.40, 2,073,670.88 and 814,354.97
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Solution
The fourth proportional to 1,502,663.40, 2,073,670.88 and 814,354.97 is: 1,123,807.35
Step by Step Solution
- Step 1: Write the proportion equation
1,502,663.40 : 2,073,670.88 = 814,354.97 : x - Step 2: Convert to fraction form
1,502,663.40/2,073,670.88 = 814,354.97/x - Step 3: Cross multiply
1,502,663.40x = 2,073,670.88 × 814,354.97 - Step 4: Simplify right side
1,502,663.40x = 1,688,704,172,832.14 - Step 5: Solve for x
x = 1,688,704,172,832.14/1,502,663.40 - Step 6: Final answer
x = 1,123,807.35
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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.