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Finding the Fourth Proportional to 978,761.20, 1,468,141.80 and 978,761.20

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Solution

The fourth proportional to 978,761.20, 1,468,141.80 and 978,761.20 is: 1,468,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,761.20 : 1,468,141.80 = 978,761.20 : x
  2. Step 2: Convert to fraction form
    978,761.20/1,468,141.80 = 978,761.20/x
  3. Step 3: Cross multiply
    978,761.20x = 1,468,141.80 × 978,761.20
  4. Step 4: Simplify right side
    978,761.20x = 1,436,960,229,938.16
  5. Step 5: Solve for x
    x = 1,436,960,229,938.16/978,761.20
  6. Step 6: Final answer
    x = 1,468,141.80

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1.5x scale

Why These Related Problems?

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