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Finding the Fourth Proportional to 978,372.80, 1,465,226.40 and 978,372.80

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Solution

The fourth proportional to 978,372.80, 1,465,226.40 and 978,372.80 is: 1,465,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,372.80 : 1,465,226.40 = 978,372.80 : x
  2. Step 2: Convert to fraction form
    978,372.80/1,465,226.40 = 978,372.80/x
  3. Step 3: Cross multiply
    978,372.80x = 1,465,226.40 × 978,372.80
  4. Step 4: Simplify right side
    978,372.80x = 1,433,537,655,601.92
  5. Step 5: Solve for x
    x = 1,433,537,655,601.92/978,372.80
  6. Step 6: Final answer
    x = 1,465,226.40

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Why These Related Problems?

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