Home / 1,158,218.20-1,737,240.90-484,125.40

Finding the Fourth Proportional to 1,158,218.20, 1,737,240.90 and 484,125.40

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Solution

The fourth proportional to 1,158,218.20, 1,737,240.90 and 484,125.40 is: 726,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,218.20 : 1,737,240.90 = 484,125.40 : x
  2. Step 2: Convert to fraction form
    1,158,218.20/1,737,240.90 = 484,125.40/x
  3. Step 3: Cross multiply
    1,158,218.20x = 1,737,240.90 × 484,125.40
  4. Step 4: Simplify right side
    1,158,218.20x = 841,042,445,608.86
  5. Step 5: Solve for x
    x = 841,042,445,608.86/1,158,218.20
  6. Step 6: Final answer
    x = 726,151.99

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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.