Finding the Fourth Proportional to 1,146,882.53, 1,719,249.41 and 388,193.09
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Solution
The fourth proportional to 1,146,882.53, 1,719,249.41 and 388,193.09 is: 581,925.97
Step by Step Solution
- Step 1: Write the proportion equation
1,146,882.53 : 1,719,249.41 = 388,193.09 : x - Step 2: Convert to fraction form
1,146,882.53/1,719,249.41 = 388,193.09/x - Step 3: Cross multiply
1,146,882.53x = 1,719,249.41 × 388,193.09 - Step 4: Simplify right side
1,146,882.53x = 667,400,733,322.81 - Step 5: Solve for x
x = 667,400,733,322.81/1,146,882.53 - Step 6: Final answer
x = 581,925.97
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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.