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Finding the Fourth Proportional to 978,185.40, 1,467,278.10 and 978,185.40

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Solution

The fourth proportional to 978,185.40, 1,467,278.10 and 978,185.40 is: 1,467,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,185.40 : 1,467,278.10 = 978,185.40 : x
  2. Step 2: Convert to fraction form
    978,185.40/1,467,278.10 = 978,185.40/x
  3. Step 3: Cross multiply
    978,185.40x = 1,467,278.10 × 978,185.40
  4. Step 4: Simplify right side
    978,185.40x = 1,435,270,015,159.74
  5. Step 5: Solve for x
    x = 1,435,270,015,159.74/978,185.40
  6. Step 6: Final answer
    x = 1,467,278.10

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Why These Related Problems?

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