Home / 1,013,577.20-1,520,365.80-978,147.80

Finding the Fourth Proportional to 1,013,577.20, 1,520,365.80 and 978,147.80

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Solution

The fourth proportional to 1,013,577.20, 1,520,365.80 and 978,147.80 is: 1,467,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,577.20 : 1,520,365.80 = 978,147.80 : x
  2. Step 2: Convert to fraction form
    1,013,577.20/1,520,365.80 = 978,147.80/x
  3. Step 3: Cross multiply
    1,013,577.20x = 1,520,365.80 × 978,147.80
  4. Step 4: Simplify right side
    1,013,577.20x = 1,487,142,462,465.24
  5. Step 5: Solve for x
    x = 1,487,142,462,465.24/1,013,577.20
  6. Step 6: Final answer
    x = 1,467,221.70

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