Home / 1,479,258.38-2,218,715.33-399,719.64

Finding the Fourth Proportional to 1,479,258.38, 2,218,715.33 and 399,719.64

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Solution

The fourth proportional to 1,479,258.38, 2,218,715.33 and 399,719.64 is: 599,532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,258.38 : 2,218,715.33 = 399,719.64 : x
  2. Step 2: Convert to fraction form
    1,479,258.38/2,218,715.33 = 399,719.64/x
  3. Step 3: Cross multiply
    1,479,258.38x = 2,218,715.33 × 399,719.64
  4. Step 4: Simplify right side
    1,479,258.38x = 886,864,092,970.08
  5. Step 5: Solve for x
    x = 886,864,092,970.08/1,479,258.38
  6. Step 6: Final answer
    x = 599,532.92

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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.