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Finding the Fourth Proportional to 1,962.74, 2,708.78 and 1,123.52

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Solution

The fourth proportional to 1,962.74, 2,708.78 and 1,123.52 is: 1,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.74 : 2,708.78 = 1,123.52 : x
  2. Step 2: Convert to fraction form
    1,962.74/2,708.78 = 1,123.52/x
  3. Step 3: Cross multiply
    1,962.74x = 2,708.78 × 1,123.52
  4. Step 4: Simplify right side
    1,962.74x = 3,043,349.34
  5. Step 5: Solve for x
    x = 3,043,349.34/1,962.74
  6. Step 6: Final answer
    x = 1,550.56

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