Finding the Fourth Proportional to 1,161,818.85, 1,602,812.65 and 725,478.67
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Solution
The fourth proportional to 1,161,818.85, 1,602,812.65 and 725,478.67 is: 1,000,849.99
Step by Step Solution
- Step 1: Write the proportion equation
1,161,818.85 : 1,602,812.65 = 725,478.67 : x - Step 2: Convert to fraction form
1,161,818.85/1,602,812.65 = 725,478.67/x - Step 3: Cross multiply
1,161,818.85x = 1,602,812.65 × 725,478.67 - Step 4: Simplify right side
1,161,818.85x = 1,162,806,389,581.18 - Step 5: Solve for x
x = 1,162,806,389,581.18/1,161,818.85 - Step 6: Final answer
x = 1,000,849.99
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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.