Home / 1,198,198.38-1,797,313.45-399,480.18

Finding the Fourth Proportional to 1,198,198.38, 1,797,313.45 and 399,480.18

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Solution

The fourth proportional to 1,198,198.38, 1,797,313.45 and 399,480.18 is: 599,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,198.38 : 1,797,313.45 = 399,480.18 : x
  2. Step 2: Convert to fraction form
    1,198,198.38/1,797,313.45 = 399,480.18/x
  3. Step 3: Cross multiply
    1,198,198.38x = 1,797,313.45 × 399,480.18
  4. Step 4: Simplify right side
    1,198,198.38x = 717,991,100,522.42
  5. Step 5: Solve for x
    x = 717,991,100,522.42/1,198,198.38
  6. Step 6: Final answer
    x = 599,225.56

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Double scale
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1.5x scale

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.