Finding the Fourth Proportional to 1,332,197.46, 1,838,447.01 and 728,572.50
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Solution
The fourth proportional to 1,332,197.46, 1,838,447.01 and 728,572.50 is: 1,005,437.99
Step by Step Solution
- Step 1: Write the proportion equation
1,332,197.46 : 1,838,447.01 = 728,572.50 : x - Step 2: Convert to fraction form
1,332,197.46/1,838,447.01 = 728,572.50/x - Step 3: Cross multiply
1,332,197.46x = 1,838,447.01 × 728,572.50 - Step 4: Simplify right side
1,332,197.46x = 1,339,441,934,193.23 - Step 5: Solve for x
x = 1,339,441,934,193.23/1,332,197.46 - Step 6: Final answer
x = 1,005,437.99
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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.