Home / 853,822.80-1,280,734.20-821,163.60

Finding the Fourth Proportional to 853,822.80, 1,280,734.20 and 821,163.60

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Solution

The fourth proportional to 853,822.80, 1,280,734.20 and 821,163.60 is: 1,231,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,822.80 : 1,280,734.20 = 821,163.60 : x
  2. Step 2: Convert to fraction form
    853,822.80/1,280,734.20 = 821,163.60/x
  3. Step 3: Cross multiply
    853,822.80x = 1,280,734.20 × 821,163.60
  4. Step 4: Simplify right side
    853,822.80x = 1,051,692,306,315.12
  5. Step 5: Solve for x
    x = 1,051,692,306,315.12/853,822.80
  6. Step 6: Final answer
    x = 1,231,745.40

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