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Finding the Fourth Proportional to 978,369.30, 1,465,221.15 and 978,369.30

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Solution

The fourth proportional to 978,369.30, 1,465,221.15 and 978,369.30 is: 1,465,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,369.30 : 1,465,221.15 = 978,369.30 : x
  2. Step 2: Convert to fraction form
    978,369.30/1,465,221.15 = 978,369.30/x
  3. Step 3: Cross multiply
    978,369.30x = 1,465,221.15 × 978,369.30
  4. Step 4: Simplify right side
    978,369.30x = 1,433,527,390,870.70
  5. Step 5: Solve for x
    x = 1,433,527,390,870.70/978,369.30
  6. Step 6: Final answer
    x = 1,465,221.15

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