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Finding the Fourth Proportional to 978,372.90, 1,366,922.70 and 978,372.90

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Solution

The fourth proportional to 978,372.90, 1,366,922.70 and 978,372.90 is: 1,366,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,372.90 : 1,366,922.70 = 978,372.90 : x
  2. Step 2: Convert to fraction form
    978,372.90/1,366,922.70 = 978,372.90/x
  3. Step 3: Cross multiply
    978,372.90x = 1,366,922.70 × 978,372.90
  4. Step 4: Simplify right side
    978,372.90x = 1,337,360,126,074.83
  5. Step 5: Solve for x
    x = 1,337,360,126,074.83/978,372.90
  6. Step 6: Final answer
    x = 1,366,922.70

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Why These Related Problems?

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