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Finding the Fourth Proportional to 666,878, 1,000,318.62 and 168,242

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Solution

The fourth proportional to 666,878, 1,000,318.62 and 168,242 is: 252,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,878 : 1,000,318.62 = 168,242 : x
  2. Step 2: Convert to fraction form
    666,878/1,000,318.62 = 168,242/x
  3. Step 3: Cross multiply
    666,878x = 1,000,318.62 × 168,242
  4. Step 4: Simplify right side
    666,878x = 168,295,605,266.04
  5. Step 5: Solve for x
    x = 168,295,605,266.04/666,878
  6. Step 6: Final answer
    x = 252,363.41

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Why These Related Problems?

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