Home / 1,320,424.20-1,981,292.40-521,731.80

Finding the Fourth Proportional to 1,320,424.20, 1,981,292.40 and 521,731.80

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Solution

The fourth proportional to 1,320,424.20, 1,981,292.40 and 521,731.80 is: 782,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,424.20 : 1,981,292.40 = 521,731.80 : x
  2. Step 2: Convert to fraction form
    1,320,424.20/1,981,292.40 = 521,731.80/x
  3. Step 3: Cross multiply
    1,320,424.20x = 1,981,292.40 × 521,731.80
  4. Step 4: Simplify right side
    1,320,424.20x = 1,033,703,250,178.32
  5. Step 5: Solve for x
    x = 1,033,703,250,178.32/1,320,424.20
  6. Step 6: Final answer
    x = 782,856.94

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