Home / 752,081.36-1,128,125.88-253,449.68

Finding the Fourth Proportional to 752,081.36, 1,128,125.88 and 253,449.68

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Solution

The fourth proportional to 752,081.36, 1,128,125.88 and 253,449.68 is: 380,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,081.36 : 1,128,125.88 = 253,449.68 : x
  2. Step 2: Convert to fraction form
    752,081.36/1,128,125.88 = 253,449.68/x
  3. Step 3: Cross multiply
    752,081.36x = 1,128,125.88 × 253,449.68
  4. Step 4: Simplify right side
    752,081.36x = 285,923,143,285.72
  5. Step 5: Solve for x
    x = 285,923,143,285.72/752,081.36
  6. Step 6: Final answer
    x = 380,175.81

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