Home / 1,227,492.80-1,838,128.80-978,660.80

Finding the Fourth Proportional to 1,227,492.80, 1,838,128.80 and 978,660.80

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Solution

The fourth proportional to 1,227,492.80, 1,838,128.80 and 978,660.80 is: 1,465,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,492.80 : 1,838,128.80 = 978,660.80 : x
  2. Step 2: Convert to fraction form
    1,227,492.80/1,838,128.80 = 978,660.80/x
  3. Step 3: Cross multiply
    1,227,492.80x = 1,838,128.80 × 978,660.80
  4. Step 4: Simplify right side
    1,227,492.80x = 1,798,904,601,911.04
  5. Step 5: Solve for x
    x = 1,798,904,601,911.04/1,227,492.80
  6. Step 6: Final answer
    x = 1,465,511.33

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