Finding the Fourth Proportional to 1,193,618.50, 1,647,193.71 and 649,758.42
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Solution
The fourth proportional to 1,193,618.50, 1,647,193.71 and 649,758.42 is: 896,666.71
Step by Step Solution
- Step 1: Write the proportion equation
1,193,618.50 : 1,647,193.71 = 649,758.42 : x - Step 2: Convert to fraction form
1,193,618.50/1,647,193.71 = 649,758.42/x - Step 3: Cross multiply
1,193,618.50x = 1,647,193.71 × 649,758.42 - Step 4: Simplify right side
1,193,618.50x = 1,070,277,981,225.24 - Step 5: Solve for x
x = 1,070,277,981,225.24/1,193,618.50 - Step 6: Final answer
x = 896,666.71
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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.