Finding the Fourth Proportional to 1,344,543.68, 1,855,446.48 and 732,701.92
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Solution
The fourth proportional to 1,344,543.68, 1,855,446.48 and 732,701.92 is: 1,011,115.68
Step by Step Solution
- Step 1: Write the proportion equation
1,344,543.68 : 1,855,446.48 = 732,701.92 : x - Step 2: Convert to fraction form
1,344,543.68/1,855,446.48 = 732,701.92/x - Step 3: Cross multiply
1,344,543.68x = 1,855,446.48 × 732,701.92 - Step 4: Simplify right side
1,344,543.68x = 1,359,489,198,353.24 - Step 5: Solve for x
x = 1,359,489,198,353.24/1,344,543.68 - Step 6: Final answer
x = 1,011,115.68
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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.