Finding the Fourth Proportional to 1,124,423.04, 1,687,299.84 and 414,945.12
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Solution
The fourth proportional to 1,124,423.04, 1,687,299.84 and 414,945.12 is: 622,663.19
Step by Step Solution
- Step 1: Write the proportion equation
1,124,423.04 : 1,687,299.84 = 414,945.12 : x - Step 2: Convert to fraction form
1,124,423.04/1,687,299.84 = 414,945.12/x - Step 3: Cross multiply
1,124,423.04x = 1,687,299.84 × 414,945.12 - Step 4: Simplify right side
1,124,423.04x = 700,136,834,584.78 - Step 5: Solve for x
x = 700,136,834,584.78/1,124,423.04 - Step 6: Final answer
x = 622,663.19
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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.