Home / 1,146,976.64-1,719,390.28-388,287.44

Finding the Fourth Proportional to 1,146,976.64, 1,719,390.28 and 388,287.44

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Solution

The fourth proportional to 1,146,976.64, 1,719,390.28 and 388,287.44 is: 582,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,976.64 : 1,719,390.28 = 388,287.44 : x
  2. Step 2: Convert to fraction form
    1,146,976.64/1,719,390.28 = 388,287.44/x
  3. Step 3: Cross multiply
    1,146,976.64x = 1,719,390.28 × 388,287.44
  4. Step 4: Simplify right side
    1,146,976.64x = 667,617,650,182.08
  5. Step 5: Solve for x
    x = 667,617,650,182.08/1,146,976.64
  6. Step 6: Final answer
    x = 582,067.35

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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.