Finding the Fourth Proportional to 1,031,299.40, 1,423,164.12 and 566,153.12
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Solution
The fourth proportional to 1,031,299.40, 1,423,164.12 and 566,153.12 is: 781,275.36
Step by Step Solution
- Step 1: Write the proportion equation
1,031,299.40 : 1,423,164.12 = 566,153.12 : x - Step 2: Convert to fraction form
1,031,299.40/1,423,164.12 = 566,153.12/x - Step 3: Cross multiply
1,031,299.40x = 1,423,164.12 × 566,153.12 - Step 4: Simplify right side
1,031,299.40x = 805,728,806,810.06 - Step 5: Solve for x
x = 805,728,806,810.06/1,031,299.40 - Step 6: Final answer
x = 781,275.36
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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.