Finding the Fourth Proportional to 1,235,169.76, 1,851,470.14 and 477,531.61
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Solution
The fourth proportional to 1,235,169.76, 1,851,470.14 and 477,531.61 is: 715,800.81
Step by Step Solution
- Step 1: Write the proportion equation
1,235,169.76 : 1,851,470.14 = 477,531.61 : x - Step 2: Convert to fraction form
1,235,169.76/1,851,470.14 = 477,531.61/x - Step 3: Cross multiply
1,235,169.76x = 1,851,470.14 × 477,531.61 - Step 4: Simplify right side
1,235,169.76x = 884,135,516,821.13 - Step 5: Solve for x
x = 884,135,516,821.13/1,235,169.76 - Step 6: Final answer
x = 715,800.81
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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.