Home / 1,267,983.80-1,902,262.71-728,489.15

Finding the Fourth Proportional to 1,267,983.80, 1,902,262.71 and 728,489.15

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Solution

The fourth proportional to 1,267,983.80, 1,902,262.71 and 728,489.15 is: 1,092,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,983.80 : 1,902,262.71 = 728,489.15 : x
  2. Step 2: Convert to fraction form
    1,267,983.80/1,902,262.71 = 728,489.15/x
  3. Step 3: Cross multiply
    1,267,983.80x = 1,902,262.71 × 728,489.15
  4. Step 4: Simplify right side
    1,267,983.80x = 1,385,777,744,684.60
  5. Step 5: Solve for x
    x = 1,385,777,744,684.60/1,267,983.80
  6. Step 6: Final answer
    x = 1,092,898.62

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