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Finding the Fourth Proportional to 978,962.49, 1,468,268.55 and 622,918.89

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Solution

The fourth proportional to 978,962.49, 1,468,268.55 and 622,918.89 is: 934,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,962.49 : 1,468,268.55 = 622,918.89 : x
  2. Step 2: Convert to fraction form
    978,962.49/1,468,268.55 = 622,918.89/x
  3. Step 3: Cross multiply
    978,962.49x = 1,468,268.55 × 622,918.89
  4. Step 4: Simplify right side
    978,962.49x = 914,612,215,387.91
  5. Step 5: Solve for x
    x = 914,612,215,387.91/978,962.49
  6. Step 6: Final answer
    x = 934,266.86

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