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Finding the Fourth Proportional to 978,723.60, 1,468,085.40 and 876,080.40

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Solution

The fourth proportional to 978,723.60, 1,468,085.40 and 876,080.40 is: 1,314,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,723.60 : 1,468,085.40 = 876,080.40 : x
  2. Step 2: Convert to fraction form
    978,723.60/1,468,085.40 = 876,080.40/x
  3. Step 3: Cross multiply
    978,723.60x = 1,468,085.40 × 876,080.40
  4. Step 4: Simplify right side
    978,723.60x = 1,286,160,844,466.16
  5. Step 5: Solve for x
    x = 1,286,160,844,466.16/978,723.60
  6. Step 6: Final answer
    x = 1,314,120.60

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Why These Related Problems?

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