Finding the Fourth Proportional to 1,172,249.21, 1,758,354.62 and 373,519.95
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Solution
The fourth proportional to 1,172,249.21, 1,758,354.62 and 373,519.95 is: 560,273.81
Step by Step Solution
- Step 1: Write the proportion equation
1,172,249.21 : 1,758,354.62 = 373,519.95 : x - Step 2: Convert to fraction form
1,172,249.21/1,758,354.62 = 373,519.95/x - Step 3: Cross multiply
1,172,249.21x = 1,758,354.62 × 373,519.95 - Step 4: Simplify right side
1,172,249.21x = 656,780,527,877.07 - Step 5: Solve for x
x = 656,780,527,877.07/1,172,249.21 - Step 6: Final answer
x = 560,273.81
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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.