Home / 1,987,057.20-2,978,913.96-864,280.56

Finding the Fourth Proportional to 1,987,057.20, 2,978,913.96 and 864,280.56

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Solution

The fourth proportional to 1,987,057.20, 2,978,913.96 and 864,280.56 is: 1,295,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,057.20 : 2,978,913.96 = 864,280.56 : x
  2. Step 2: Convert to fraction form
    1,987,057.20/2,978,913.96 = 864,280.56/x
  3. Step 3: Cross multiply
    1,987,057.20x = 2,978,913.96 × 864,280.56
  4. Step 4: Simplify right side
    1,987,057.20x = 2,574,617,425,540.62
  5. Step 5: Solve for x
    x = 2,574,617,425,540.62/1,987,057.20
  6. Step 6: Final answer
    x = 1,295,693.66

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