Home / 1,038,737.20-1,558,105.80-478,865.20

Finding the Fourth Proportional to 1,038,737.20, 1,558,105.80 and 478,865.20

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Solution

The fourth proportional to 1,038,737.20, 1,558,105.80 and 478,865.20 is: 718,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,737.20 : 1,558,105.80 = 478,865.20 : x
  2. Step 2: Convert to fraction form
    1,038,737.20/1,558,105.80 = 478,865.20/x
  3. Step 3: Cross multiply
    1,038,737.20x = 1,558,105.80 × 478,865.20
  4. Step 4: Simplify right side
    1,038,737.20x = 746,122,645,538.16
  5. Step 5: Solve for x
    x = 746,122,645,538.16/1,038,737.20
  6. Step 6: Final answer
    x = 718,297.80

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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.