Home / 1,188,498.80-1,781,815.08-813,384.56

Finding the Fourth Proportional to 1,188,498.80, 1,781,815.08 and 813,384.56

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Solution

The fourth proportional to 1,188,498.80, 1,781,815.08 and 813,384.56 is: 1,219,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,498.80 : 1,781,815.08 = 813,384.56 : x
  2. Step 2: Convert to fraction form
    1,188,498.80/1,781,815.08 = 813,384.56/x
  3. Step 3: Cross multiply
    1,188,498.80x = 1,781,815.08 × 813,384.56
  4. Step 4: Simplify right side
    1,188,498.80x = 1,449,300,874,847.17
  5. Step 5: Solve for x
    x = 1,449,300,874,847.17/1,188,498.80
  6. Step 6: Final answer
    x = 1,219,438.23

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