Home / 1,320,672.40-1,981,008.60-323,400.40

Finding the Fourth Proportional to 1,320,672.40, 1,981,008.60 and 323,400.40

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Solution

The fourth proportional to 1,320,672.40, 1,981,008.60 and 323,400.40 is: 485,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,672.40 : 1,981,008.60 = 323,400.40 : x
  2. Step 2: Convert to fraction form
    1,320,672.40/1,981,008.60 = 323,400.40/x
  3. Step 3: Cross multiply
    1,320,672.40x = 1,981,008.60 × 323,400.40
  4. Step 4: Simplify right side
    1,320,672.40x = 640,658,973,643.44
  5. Step 5: Solve for x
    x = 640,658,973,643.44/1,320,672.40
  6. Step 6: Final answer
    x = 485,100.60

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