Finding the Fourth Proportional to 1,148,227.16, 1,720,766.10 and 726,750.68
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Solution
The fourth proportional to 1,148,227.16, 1,720,766.10 and 726,750.68 is: 1,089,129.38
Step by Step Solution
- Step 1: Write the proportion equation
1,148,227.16 : 1,720,766.10 = 726,750.68 : x - Step 2: Convert to fraction form
1,148,227.16/1,720,766.10 = 726,750.68/x - Step 3: Cross multiply
1,148,227.16x = 1,720,766.10 × 726,750.68 - Step 4: Simplify right side
1,148,227.16x = 1,250,567,933,295.95 - Step 5: Solve for x
x = 1,250,567,933,295.95/1,148,227.16 - Step 6: Final answer
x = 1,089,129.38
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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.