Home / 1,246,289.60-1,869,337.20-487,983.80

Finding the Fourth Proportional to 1,246,289.60, 1,869,337.20 and 487,983.80

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Solution

The fourth proportional to 1,246,289.60, 1,869,337.20 and 487,983.80 is: 731,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,289.60 : 1,869,337.20 = 487,983.80 : x
  2. Step 2: Convert to fraction form
    1,246,289.60/1,869,337.20 = 487,983.80/x
  3. Step 3: Cross multiply
    1,246,289.60x = 1,869,337.20 × 487,983.80
  4. Step 4: Simplify right side
    1,246,289.60x = 912,206,270,337.36
  5. Step 5: Solve for x
    x = 912,206,270,337.36/1,246,289.60
  6. Step 6: Final answer
    x = 731,937.64

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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.