Home / 1,241,630.20-1,862,007.90-442,937.80

Finding the Fourth Proportional to 1,241,630.20, 1,862,007.90 and 442,937.80

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Solution

The fourth proportional to 1,241,630.20, 1,862,007.90 and 442,937.80 is: 664,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,630.20 : 1,862,007.90 = 442,937.80 : x
  2. Step 2: Convert to fraction form
    1,241,630.20/1,862,007.90 = 442,937.80/x
  3. Step 3: Cross multiply
    1,241,630.20x = 1,862,007.90 × 442,937.80
  4. Step 4: Simplify right side
    1,241,630.20x = 824,753,682,808.62
  5. Step 5: Solve for x
    x = 824,753,682,808.62/1,241,630.20
  6. Step 6: Final answer
    x = 664,250.66

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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.