Home / 1,753,401.20-2,630,127.72-491,149.04

Finding the Fourth Proportional to 1,753,401.20, 2,630,127.72 and 491,149.04

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Solution

The fourth proportional to 1,753,401.20, 2,630,127.72 and 491,149.04 is: 736,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,401.20 : 2,630,127.72 = 491,149.04 : x
  2. Step 2: Convert to fraction form
    1,753,401.20/2,630,127.72 = 491,149.04/x
  3. Step 3: Cross multiply
    1,753,401.20x = 2,630,127.72 × 491,149.04
  4. Step 4: Simplify right side
    1,753,401.20x = 1,291,784,704,755.39
  5. Step 5: Solve for x
    x = 1,291,784,704,755.39/1,753,401.20
  6. Step 6: Final answer
    x = 736,730.82

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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.