Home / 1,213,469.20-1,820,203.80-1,138,673.80

Finding the Fourth Proportional to 1,213,469.20, 1,820,203.80 and 1,138,673.80

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Solution

The fourth proportional to 1,213,469.20, 1,820,203.80 and 1,138,673.80 is: 1,708,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,469.20 : 1,820,203.80 = 1,138,673.80 : x
  2. Step 2: Convert to fraction form
    1,213,469.20/1,820,203.80 = 1,138,673.80/x
  3. Step 3: Cross multiply
    1,213,469.20x = 1,820,203.80 × 1,138,673.80
  4. Step 4: Simplify right side
    1,213,469.20x = 2,072,618,377,720.44
  5. Step 5: Solve for x
    x = 2,072,618,377,720.44/1,213,469.20
  6. Step 6: Final answer
    x = 1,708,010.70

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