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Finding the Fourth Proportional to 978,696.30, 1,465,711.65 and 978,696.30

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Solution

The fourth proportional to 978,696.30, 1,465,711.65 and 978,696.30 is: 1,465,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,696.30 : 1,465,711.65 = 978,696.30 : x
  2. Step 2: Convert to fraction form
    978,696.30/1,465,711.65 = 978,696.30/x
  3. Step 3: Cross multiply
    978,696.30x = 1,465,711.65 × 978,696.30
  4. Step 4: Simplify right side
    978,696.30x = 1,434,486,568,721.90
  5. Step 5: Solve for x
    x = 1,434,486,568,721.90/978,696.30
  6. Step 6: Final answer
    x = 1,465,711.65

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