Home / 1,238,165.28-1,857,772.80-676,543.68

Finding the Fourth Proportional to 1,238,165.28, 1,857,772.80 and 676,543.68

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Solution

The fourth proportional to 1,238,165.28, 1,857,772.80 and 676,543.68 is: 1,015,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,165.28 : 1,857,772.80 = 676,543.68 : x
  2. Step 2: Convert to fraction form
    1,238,165.28/1,857,772.80 = 676,543.68/x
  3. Step 3: Cross multiply
    1,238,165.28x = 1,857,772.80 × 676,543.68
  4. Step 4: Simplify right side
    1,238,165.28x = 1,256,864,446,715.90
  5. Step 5: Solve for x
    x = 1,256,864,446,715.90/1,238,165.28
  6. Step 6: Final answer
    x = 1,015,102.32

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