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Finding the Fourth Proportional to 1,821,222.30, 2,732,598.90 and 978,789.90

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Solution

The fourth proportional to 1,821,222.30, 2,732,598.90 and 978,789.90 is: 1,468,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,222.30 : 2,732,598.90 = 978,789.90 : x
  2. Step 2: Convert to fraction form
    1,821,222.30/2,732,598.90 = 978,789.90/x
  3. Step 3: Cross multiply
    1,821,222.30x = 2,732,598.90 × 978,789.90
  4. Step 4: Simplify right side
    1,821,222.30x = 2,674,640,204,071.11
  5. Step 5: Solve for x
    x = 2,674,640,204,071.11/1,821,222.30
  6. Step 6: Final answer
    x = 1,468,596.23

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