Home / 1,057,643.40-1,587,372.30-427,009.80

Finding the Fourth Proportional to 1,057,643.40, 1,587,372.30 and 427,009.80

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Solution

The fourth proportional to 1,057,643.40, 1,587,372.30 and 427,009.80 is: 640,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,643.40 : 1,587,372.30 = 427,009.80 : x
  2. Step 2: Convert to fraction form
    1,057,643.40/1,587,372.30 = 427,009.80/x
  3. Step 3: Cross multiply
    1,057,643.40x = 1,587,372.30 × 427,009.80
  4. Step 4: Simplify right side
    1,057,643.40x = 677,823,528,348.54
  5. Step 5: Solve for x
    x = 677,823,528,348.54/1,057,643.40
  6. Step 6: Final answer
    x = 640,880.97

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