Home / 1,198,470.42-1,797,712.38-399,749.76

Finding the Fourth Proportional to 1,198,470.42, 1,797,712.38 and 399,749.76

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Solution

The fourth proportional to 1,198,470.42, 1,797,712.38 and 399,749.76 is: 599,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,470.42 : 1,797,712.38 = 399,749.76 : x
  2. Step 2: Convert to fraction form
    1,198,470.42/1,797,712.38 = 399,749.76/x
  3. Step 3: Cross multiply
    1,198,470.42x = 1,797,712.38 × 399,749.76
  4. Step 4: Simplify right side
    1,198,470.42x = 718,635,092,454.03
  5. Step 5: Solve for x
    x = 718,635,092,454.03/1,198,470.42
  6. Step 6: Final answer
    x = 599,626.89

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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.