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Finding the Fourth Proportional to 978,381.40, 1,467,572.10 and 907,522.60

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Solution

The fourth proportional to 978,381.40, 1,467,572.10 and 907,522.60 is: 1,361,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,381.40 : 1,467,572.10 = 907,522.60 : x
  2. Step 2: Convert to fraction form
    978,381.40/1,467,572.10 = 907,522.60/x
  3. Step 3: Cross multiply
    978,381.40x = 1,467,572.10 × 907,522.60
  4. Step 4: Simplify right side
    978,381.40x = 1,331,854,847,879.46
  5. Step 5: Solve for x
    x = 1,331,854,847,879.46/978,381.40
  6. Step 6: Final answer
    x = 1,361,283.90

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