Finding the Fourth Proportional to 1,013,576.68, 1,398,748.26 and 560,909.80
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Solution
The fourth proportional to 1,013,576.68, 1,398,748.26 and 560,909.80 is: 774,062.41
Step by Step Solution
- Step 1: Write the proportion equation
1,013,576.68 : 1,398,748.26 = 560,909.80 : x - Step 2: Convert to fraction form
1,013,576.68/1,398,748.26 = 560,909.80/x - Step 3: Cross multiply
1,013,576.68x = 1,398,748.26 × 560,909.80 - Step 4: Simplify right side
1,013,576.68x = 784,571,606,766.95 - Step 5: Solve for x
x = 784,571,606,766.95/1,013,576.68 - Step 6: Final answer
x = 774,062.41
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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.