Home / 1,978,195.32-2,967,791.94-913,989.78

Finding the Fourth Proportional to 1,978,195.32, 2,967,791.94 and 913,989.78

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Solution

The fourth proportional to 1,978,195.32, 2,967,791.94 and 913,989.78 is: 1,371,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,195.32 : 2,967,791.94 = 913,989.78 : x
  2. Step 2: Convert to fraction form
    1,978,195.32/2,967,791.94 = 913,989.78/x
  3. Step 3: Cross multiply
    1,978,195.32x = 2,967,791.94 × 913,989.78
  4. Step 4: Simplify right side
    1,978,195.32x = 2,712,531,502,326.37
  5. Step 5: Solve for x
    x = 2,712,531,502,326.37/1,978,195.32
  6. Step 6: Final answer
    x = 1,371,215.21

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