Finding the Fourth Proportional to 1,025,471.18, 1,415,178.76 and 566,615.31
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Solution
The fourth proportional to 1,025,471.18, 1,415,178.76 and 566,615.31 is: 781,944.90
Step by Step Solution
- Step 1: Write the proportion equation
1,025,471.18 : 1,415,178.76 = 566,615.31 : x - Step 2: Convert to fraction form
1,025,471.18/1,415,178.76 = 566,615.31/x - Step 3: Cross multiply
1,025,471.18x = 1,415,178.76 × 566,615.31 - Step 4: Simplify right side
1,025,471.18x = 801,861,953,924.22 - Step 5: Solve for x
x = 801,861,953,924.22/1,025,471.18 - Step 6: Final answer
x = 781,944.90
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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.