Finding the Fourth Proportional to 1,255,688.20, 1,883,490.66 and 545,717.08
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Solution
The fourth proportional to 1,255,688.20, 1,883,490.66 and 545,717.08 is: 818,557.52
Step by Step Solution
- Step 1: Write the proportion equation
1,255,688.20 : 1,883,490.66 = 545,717.08 : x - Step 2: Convert to fraction form
1,255,688.20/1,883,490.66 = 545,717.08/x - Step 3: Cross multiply
1,255,688.20x = 1,883,490.66 × 545,717.08 - Step 4: Simplify right side
1,255,688.20x = 1,027,853,023,182.47 - Step 5: Solve for x
x = 1,027,853,023,182.47/1,255,688.20 - Step 6: Final answer
x = 818,557.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.