Finding the Fourth Proportional to 1,286,548.92, 1,775,438.49 and 713,593.19
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Solution
The fourth proportional to 1,286,548.92, 1,775,438.49 and 713,593.19 is: 984,759.15
Step by Step Solution
- Step 1: Write the proportion equation
1,286,548.92 : 1,775,438.49 = 713,593.19 : x - Step 2: Convert to fraction form
1,286,548.92/1,775,438.49 = 713,593.19/x - Step 3: Cross multiply
1,286,548.92x = 1,775,438.49 × 713,593.19 - Step 4: Simplify right side
1,286,548.92x = 1,266,940,822,842.45 - Step 5: Solve for x
x = 1,266,940,822,842.45/1,286,548.92 - Step 6: Final answer
x = 984,759.15
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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.