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Finding the Fourth Proportional to 1,809,978.39, 2,710,834.16 and 864,013.41

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Solution

The fourth proportional to 1,809,978.39, 2,710,834.16 and 864,013.41 is: 1,294,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,978.39 : 2,710,834.16 = 864,013.41 : x
  2. Step 2: Convert to fraction form
    1,809,978.39/2,710,834.16 = 864,013.41/x
  3. Step 3: Cross multiply
    1,809,978.39x = 2,710,834.16 × 864,013.41
  4. Step 4: Simplify right side
    1,809,978.39x = 2,342,197,062,206.02
  5. Step 5: Solve for x
    x = 2,342,197,062,206.02/1,809,978.39
  6. Step 6: Final answer
    x = 1,294,046.98

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