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Finding the Fourth Proportional to 1,448.07, 2,172.71 and 625.92

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Solution

The fourth proportional to 1,448.07, 2,172.71 and 625.92 is: 939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.07 : 2,172.71 = 625.92 : x
  2. Step 2: Convert to fraction form
    1,448.07/2,172.71 = 625.92/x
  3. Step 3: Cross multiply
    1,448.07x = 2,172.71 × 625.92
  4. Step 4: Simplify right side
    1,448.07x = 1,359,942.64
  5. Step 5: Solve for x
    x = 1,359,942.64/1,448.07
  6. Step 6: Final answer
    x = 939.14

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