Home / 1,821,138.30-2,732,472.90-978,705.90

Finding the Fourth Proportional to 1,821,138.30, 2,732,472.90 and 978,705.90

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Solution

The fourth proportional to 1,821,138.30, 2,732,472.90 and 978,705.90 is: 1,468,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,138.30 : 2,732,472.90 = 978,705.90 : x
  2. Step 2: Convert to fraction form
    1,821,138.30/2,732,472.90 = 978,705.90/x
  3. Step 3: Cross multiply
    1,821,138.30x = 2,732,472.90 × 978,705.90
  4. Step 4: Simplify right side
    1,821,138.30x = 2,674,287,348,820.11
  5. Step 5: Solve for x
    x = 2,674,287,348,820.11/1,821,138.30
  6. Step 6: Final answer
    x = 1,468,470.21

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