Finding the Fourth Proportional to 1,117,949.13, 1,677,306.41 and 477,989.19
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Solution
The fourth proportional to 1,117,949.13, 1,677,306.41 and 477,989.19 is: 717,147.42
Step by Step Solution
- Step 1: Write the proportion equation
1,117,949.13 : 1,677,306.41 = 477,989.19 : x - Step 2: Convert to fraction form
1,117,949.13/1,677,306.41 = 477,989.19/x - Step 3: Cross multiply
1,117,949.13x = 1,677,306.41 × 477,989.19 - Step 4: Simplify right side
1,117,949.13x = 801,734,329,907.76 - Step 5: Solve for x
x = 801,734,329,907.76/1,117,949.13 - Step 6: Final answer
x = 717,147.42
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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.