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Finding the Fourth Proportional to 978,470.78, 1,466,033.01 and 765,156.32

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Solution

The fourth proportional to 978,470.78, 1,466,033.01 and 765,156.32 is: 1,146,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,470.78 : 1,466,033.01 = 765,156.32 : x
  2. Step 2: Convert to fraction form
    978,470.78/1,466,033.01 = 765,156.32/x
  3. Step 3: Cross multiply
    978,470.78x = 1,466,033.01 × 765,156.32
  4. Step 4: Simplify right side
    978,470.78x = 1,121,744,422,930.12
  5. Step 5: Solve for x
    x = 1,121,744,422,930.12/978,470.78
  6. Step 6: Final answer
    x = 1,146,426.08

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