Finding the Fourth Proportional to 1,159,133.29, 1,737,472.78 and 389,898.70
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Solution
The fourth proportional to 1,159,133.29, 1,737,472.78 and 389,898.70 is: 584,435.27
Step by Step Solution
- Step 1: Write the proportion equation
1,159,133.29 : 1,737,472.78 = 389,898.70 : x - Step 2: Convert to fraction form
1,159,133.29/1,737,472.78 = 389,898.70/x - Step 3: Cross multiply
1,159,133.29x = 1,737,472.78 × 389,898.70 - Step 4: Simplify right side
1,159,133.29x = 677,438,374,351.08 - Step 5: Solve for x
x = 677,438,374,351.08/1,159,133.29 - Step 6: Final answer
x = 584,435.27
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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.