Finding the Fourth Proportional to 1,149,135.14, 1,723,820.44 and 439,759.82
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Solution
The fourth proportional to 1,149,135.14, 1,723,820.44 and 439,759.82 is: 659,684.78
Step by Step Solution
- Step 1: Write the proportion equation
1,149,135.14 : 1,723,820.44 = 439,759.82 : x - Step 2: Convert to fraction form
1,149,135.14/1,723,820.44 = 439,759.82/x - Step 3: Cross multiply
1,149,135.14x = 1,723,820.44 × 439,759.82 - Step 4: Simplify right side
1,149,135.14x = 758,066,966,406.72 - Step 5: Solve for x
x = 758,066,966,406.72/1,149,135.14 - Step 6: Final answer
x = 659,684.78
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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.