Finding the Fourth Proportional to 1,038,717.70, 1,558,625.12 and 737,061.09
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Solution
The fourth proportional to 1,038,717.70, 1,558,625.12 and 737,061.09 is: 1,105,980.89
Step by Step Solution
- Step 1: Write the proportion equation
1,038,717.70 : 1,558,625.12 = 737,061.09 : x - Step 2: Convert to fraction form
1,038,717.70/1,558,625.12 = 737,061.09/x - Step 3: Cross multiply
1,038,717.70x = 1,558,625.12 × 737,061.09 - Step 4: Simplify right side
1,038,717.70x = 1,148,801,923,082.41 - Step 5: Solve for x
x = 1,148,801,923,082.41/1,038,717.70 - Step 6: Final answer
x = 1,105,980.89
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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.