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Finding the Fourth Proportional to 978,418.20, 1,465,877.70 and 827,952.60

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Solution

The fourth proportional to 978,418.20, 1,465,877.70 and 827,952.60 is: 1,240,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,418.20 : 1,465,877.70 = 827,952.60 : x
  2. Step 2: Convert to fraction form
    978,418.20/1,465,877.70 = 827,952.60/x
  3. Step 3: Cross multiply
    978,418.20x = 1,465,877.70 × 827,952.60
  4. Step 4: Simplify right side
    978,418.20x = 1,213,677,252,997.02
  5. Step 5: Solve for x
    x = 1,213,677,252,997.02/978,418.20
  6. Step 6: Final answer
    x = 1,240,448.36

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