Finding the Fourth Proportional to 1,344,543.18, 1,855,445.79 and 732,701.42
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Solution
The fourth proportional to 1,344,543.18, 1,855,445.79 and 732,701.42 is: 1,011,114.99
Step by Step Solution
- Step 1: Write the proportion equation
1,344,543.18 : 1,855,445.79 = 732,701.42 : x - Step 2: Convert to fraction form
1,344,543.18/1,855,445.79 = 732,701.42/x - Step 3: Cross multiply
1,344,543.18x = 1,855,445.79 × 732,701.42 - Step 4: Simplify right side
1,344,543.18x = 1,359,487,765,066.02 - Step 5: Solve for x
x = 1,359,487,765,066.02/1,344,543.18 - Step 6: Final answer
x = 1,011,114.99
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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.