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Finding the Fourth Proportional to 978,748.80, 1,468,123.20 and 978,748.80

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Solution

The fourth proportional to 978,748.80, 1,468,123.20 and 978,748.80 is: 1,468,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,748.80 : 1,468,123.20 = 978,748.80 : x
  2. Step 2: Convert to fraction form
    978,748.80/1,468,123.20 = 978,748.80/x
  3. Step 3: Cross multiply
    978,748.80x = 1,468,123.20 × 978,748.80
  4. Step 4: Simplify right side
    978,748.80x = 1,436,923,820,252.16
  5. Step 5: Solve for x
    x = 1,436,923,820,252.16/978,748.80
  6. Step 6: Final answer
    x = 1,468,123.20

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