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Finding the Fourth Proportional to 1,329,489.71, 1,834,670.88 and 813,205.68

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Solution

The fourth proportional to 1,329,489.71, 1,834,670.88 and 813,205.68 is: 1,122,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,489.71 : 1,834,670.88 = 813,205.68 : x
  2. Step 2: Convert to fraction form
    1,329,489.71/1,834,670.88 = 813,205.68/x
  3. Step 3: Cross multiply
    1,329,489.71x = 1,834,670.88 × 813,205.68
  4. Step 4: Simplify right side
    1,329,489.71x = 1,491,964,780,546.60
  5. Step 5: Solve for x
    x = 1,491,964,780,546.60/1,329,489.71
  6. Step 6: Final answer
    x = 1,122,208.60

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