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Finding the Fourth Proportional to 1,986,328.04, 2,978,735.79 and 1,176,940.86

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Solution

The fourth proportional to 1,986,328.04, 2,978,735.79 and 1,176,940.86 is: 1,764,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,328.04 : 2,978,735.79 = 1,176,940.86 : x
  2. Step 2: Convert to fraction form
    1,986,328.04/2,978,735.79 = 1,176,940.86/x
  3. Step 3: Cross multiply
    1,986,328.04x = 2,978,735.79 × 1,176,940.86
  4. Step 4: Simplify right side
    1,986,328.04x = 3,505,795,862,395.38
  5. Step 5: Solve for x
    x = 3,505,795,862,395.38/1,986,328.04
  6. Step 6: Final answer
    x = 1,764,963.18

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