Home / 1,123,931.20-1,685,313.60-413,593.60

Finding the Fourth Proportional to 1,123,931.20, 1,685,313.60 and 413,593.60

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Solution

The fourth proportional to 1,123,931.20, 1,685,313.60 and 413,593.60 is: 620,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,931.20 : 1,685,313.60 = 413,593.60 : x
  2. Step 2: Convert to fraction form
    1,123,931.20/1,685,313.60 = 413,593.60/x
  3. Step 3: Cross multiply
    1,123,931.20x = 1,685,313.60 × 413,593.60
  4. Step 4: Simplify right side
    1,123,931.20x = 697,034,918,952.96
  5. Step 5: Solve for x
    x = 697,034,918,952.96/1,123,931.20
  6. Step 6: Final answer
    x = 620,175.79

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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.