Finding the Fourth Proportional to 1,251,042.48, 1,726,441.68 and 678,082.08
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Solution
The fourth proportional to 1,251,042.48, 1,726,441.68 and 678,082.08 is: 935,754.93
Step by Step Solution
- Step 1: Write the proportion equation
1,251,042.48 : 1,726,441.68 = 678,082.08 : x - Step 2: Convert to fraction form
1,251,042.48/1,726,441.68 = 678,082.08/x - Step 3: Cross multiply
1,251,042.48x = 1,726,441.68 × 678,082.08 - Step 4: Simplify right side
1,251,042.48x = 1,170,669,165,373.09 - Step 5: Solve for x
x = 1,170,669,165,373.09/1,251,042.48 - Step 6: Final answer
x = 935,754.93
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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.