Home / 1,023,344.42-1,412,039.10-656,142.68

Finding the Fourth Proportional to 1,023,344.42, 1,412,039.10 and 656,142.68

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Solution

The fourth proportional to 1,023,344.42, 1,412,039.10 and 656,142.68 is: 905,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,344.42 : 1,412,039.10 = 656,142.68 : x
  2. Step 2: Convert to fraction form
    1,023,344.42/1,412,039.10 = 656,142.68/x
  3. Step 3: Cross multiply
    1,023,344.42x = 1,412,039.10 × 656,142.68
  4. Step 4: Simplify right side
    1,023,344.42x = 926,499,119,338.79
  5. Step 5: Solve for x
    x = 926,499,119,338.79/1,023,344.42
  6. Step 6: Final answer
    x = 905,363.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.