Finding the Fourth Proportional to 1,102,061.12, 1,653,091.68 and 437,213.12
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Solution
The fourth proportional to 1,102,061.12, 1,653,091.68 and 437,213.12 is: 655,819.68
Step by Step Solution
- Step 1: Write the proportion equation
1,102,061.12 : 1,653,091.68 = 437,213.12 : x - Step 2: Convert to fraction form
1,102,061.12/1,653,091.68 = 437,213.12/x - Step 3: Cross multiply
1,102,061.12x = 1,653,091.68 × 437,213.12 - Step 4: Simplify right side
1,102,061.12x = 722,753,371,058.84 - Step 5: Solve for x
x = 722,753,371,058.84/1,102,061.12 - Step 6: Final answer
x = 655,819.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.