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Finding the Fourth Proportional to 978,443.40, 1,467,665.10 and 907,584.60

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Solution

The fourth proportional to 978,443.40, 1,467,665.10 and 907,584.60 is: 1,361,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,443.40 : 1,467,665.10 = 907,584.60 : x
  2. Step 2: Convert to fraction form
    978,443.40/1,467,665.10 = 907,584.60/x
  3. Step 3: Cross multiply
    978,443.40x = 1,467,665.10 × 907,584.60
  4. Step 4: Simplify right side
    978,443.40x = 1,332,030,242,717.46
  5. Step 5: Solve for x
    x = 1,332,030,242,717.46/978,443.40
  6. Step 6: Final answer
    x = 1,361,376.90

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