Finding the Fourth Proportional to 1,251,446.70, 1,877,349.84 and 386,948.95
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Solution
The fourth proportional to 1,251,446.70, 1,877,349.84 and 386,948.95 is: 580,479.02
Step by Step Solution
- Step 1: Write the proportion equation
1,251,446.70 : 1,877,349.84 = 386,948.95 : x - Step 2: Convert to fraction form
1,251,446.70/1,877,349.84 = 386,948.95/x - Step 3: Cross multiply
1,251,446.70x = 1,877,349.84 × 386,948.95 - Step 4: Simplify right side
1,251,446.70x = 726,438,549,370.67 - Step 5: Solve for x
x = 726,438,549,370.67/1,251,446.70 - Step 6: Final answer
x = 580,479.02
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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.