Home / 1,286,822.80-1,930,234.20-487,838.80

Finding the Fourth Proportional to 1,286,822.80, 1,930,234.20 and 487,838.80

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Solution

The fourth proportional to 1,286,822.80, 1,930,234.20 and 487,838.80 is: 731,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,822.80 : 1,930,234.20 = 487,838.80 : x
  2. Step 2: Convert to fraction form
    1,286,822.80/1,930,234.20 = 487,838.80/x
  3. Step 3: Cross multiply
    1,286,822.80x = 1,930,234.20 × 487,838.80
  4. Step 4: Simplify right side
    1,286,822.80x = 941,643,135,846.96
  5. Step 5: Solve for x
    x = 941,643,135,846.96/1,286,822.80
  6. Step 6: Final answer
    x = 731,758.20

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