Finding the Fourth Proportional to 1,127,079.16, 1,690,438.92 and 416,945.68
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Solution
The fourth proportional to 1,127,079.16, 1,690,438.92 and 416,945.68 is: 625,352.00
Step by Step Solution
- Step 1: Write the proportion equation
1,127,079.16 : 1,690,438.92 = 416,945.68 : x - Step 2: Convert to fraction form
1,127,079.16/1,690,438.92 = 416,945.68/x - Step 3: Cross multiply
1,127,079.16x = 1,690,438.92 × 416,945.68 - Step 4: Simplify right side
1,127,079.16x = 704,821,204,997.87 - Step 5: Solve for x
x = 704,821,204,997.87/1,127,079.16 - Step 6: Final answer
x = 625,352.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.