Finding the Fourth Proportional to 1,296,850.92, 1,790,034.36 and 753,231.09
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Solution
The fourth proportional to 1,296,850.92, 1,790,034.36 and 753,231.09 is: 1,039,679.67
Step by Step Solution
- Step 1: Write the proportion equation
1,296,850.92 : 1,790,034.36 = 753,231.09 : x - Step 2: Convert to fraction form
1,296,850.92/1,790,034.36 = 753,231.09/x - Step 3: Cross multiply
1,296,850.92x = 1,790,034.36 × 753,231.09 - Step 4: Simplify right side
1,296,850.92x = 1,348,309,532,120.25 - Step 5: Solve for x
x = 1,348,309,532,120.25/1,296,850.92 - Step 6: Final answer
x = 1,039,679.67
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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.