Home / 1,679,019.10-2,517,785.61-480,668.38

Finding the Fourth Proportional to 1,679,019.10, 2,517,785.61 and 480,668.38

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Solution

The fourth proportional to 1,679,019.10, 2,517,785.61 and 480,668.38 is: 720,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,019.10 : 2,517,785.61 = 480,668.38 : x
  2. Step 2: Convert to fraction form
    1,679,019.10/2,517,785.61 = 480,668.38/x
  3. Step 3: Cross multiply
    1,679,019.10x = 2,517,785.61 × 480,668.38
  4. Step 4: Simplify right side
    1,679,019.10x = 1,210,219,930,346.01
  5. Step 5: Solve for x
    x = 1,210,219,930,346.01/1,679,019.10
  6. Step 6: Final answer
    x = 720,789.85

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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.