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Finding the Fourth Proportional to 978,744.60, 1,468,116.90 and 695,309.40

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Solution

The fourth proportional to 978,744.60, 1,468,116.90 and 695,309.40 is: 1,042,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,744.60 : 1,468,116.90 = 695,309.40 : x
  2. Step 2: Convert to fraction form
    978,744.60/1,468,116.90 = 695,309.40/x
  3. Step 3: Cross multiply
    978,744.60x = 1,468,116.90 × 695,309.40
  4. Step 4: Simplify right side
    978,744.60x = 1,020,795,480,868.86
  5. Step 5: Solve for x
    x = 1,020,795,480,868.86/978,744.60
  6. Step 6: Final answer
    x = 1,042,964.10

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