Home / 1,107,572.60-1,661,358.90-603,687.80

Finding the Fourth Proportional to 1,107,572.60, 1,661,358.90 and 603,687.80

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Solution

The fourth proportional to 1,107,572.60, 1,661,358.90 and 603,687.80 is: 905,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,572.60 : 1,661,358.90 = 603,687.80 : x
  2. Step 2: Convert to fraction form
    1,107,572.60/1,661,358.90 = 603,687.80/x
  3. Step 3: Cross multiply
    1,107,572.60x = 1,661,358.90 × 603,687.80
  4. Step 4: Simplify right side
    1,107,572.60x = 1,002,942,099,351.42
  5. Step 5: Solve for x
    x = 1,002,942,099,351.42/1,107,572.60
  6. Step 6: Final answer
    x = 905,531.70

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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.