Finding the Fourth Proportional to 1,040,666.65, 1,560,289.68 and 554,421.49
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Solution
The fourth proportional to 1,040,666.65, 1,560,289.68 and 554,421.49 is: 831,253.82
Step by Step Solution
- Step 1: Write the proportion equation
1,040,666.65 : 1,560,289.68 = 554,421.49 : x - Step 2: Convert to fraction form
1,040,666.65/1,560,289.68 = 554,421.49/x - Step 3: Cross multiply
1,040,666.65x = 1,560,289.68 × 554,421.49 - Step 4: Simplify right side
1,040,666.65x = 865,058,129,217.22 - Step 5: Solve for x
x = 865,058,129,217.22/1,040,666.65 - Step 6: Final answer
x = 831,253.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.