Home / 1,146,469.11-1,719,948.17-388,284.06

Finding the Fourth Proportional to 1,146,469.11, 1,719,948.17 and 388,284.06

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Solution

The fourth proportional to 1,146,469.11, 1,719,948.17 and 388,284.06 is: 582,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,469.11 : 1,719,948.17 = 388,284.06 : x
  2. Step 2: Convert to fraction form
    1,146,469.11/1,719,948.17 = 388,284.06/x
  3. Step 3: Cross multiply
    1,146,469.11x = 1,719,948.17 × 388,284.06
  4. Step 4: Simplify right side
    1,146,469.11x = 667,828,458,437.17
  5. Step 5: Solve for x
    x = 667,828,458,437.17/1,146,469.11
  6. Step 6: Final answer
    x = 582,508.90

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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.