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Finding the Fourth Proportional to 978,749.55, 1,373,398.65 and 978,749.55

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Solution

The fourth proportional to 978,749.55, 1,373,398.65 and 978,749.55 is: 1,373,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,749.55 : 1,373,398.65 = 978,749.55 : x
  2. Step 2: Convert to fraction form
    978,749.55/1,373,398.65 = 978,749.55/x
  3. Step 3: Cross multiply
    978,749.55x = 1,373,398.65 × 978,749.55
  4. Step 4: Simplify right side
    978,749.55x = 1,344,213,310,658.11
  5. Step 5: Solve for x
    x = 1,344,213,310,658.11/978,749.55
  6. Step 6: Final answer
    x = 1,373,398.65

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Why These Related Problems?

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