Finding the Fourth Proportional to 1,031,281.56, 1,423,139.67 and 566,135.36
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Solution
The fourth proportional to 1,031,281.56, 1,423,139.67 and 566,135.36 is: 781,250.94
Step by Step Solution
- Step 1: Write the proportion equation
1,031,281.56 : 1,423,139.67 = 566,135.36 : x - Step 2: Convert to fraction form
1,031,281.56/1,423,139.67 = 566,135.36/x - Step 3: Cross multiply
1,031,281.56x = 1,423,139.67 × 566,135.36 - Step 4: Simplify right side
1,031,281.56x = 805,689,687,626.81 - Step 5: Solve for x
x = 805,689,687,626.81/1,031,281.56 - Step 6: Final answer
x = 781,250.94
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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.