Home / 1,040,140.70-1,557,100.65-978,623.90

Finding the Fourth Proportional to 1,040,140.70, 1,557,100.65 and 978,623.90

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Solution

The fourth proportional to 1,040,140.70, 1,557,100.65 and 978,623.90 is: 1,465,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,140.70 : 1,557,100.65 = 978,623.90 : x
  2. Step 2: Convert to fraction form
    1,040,140.70/1,557,100.65 = 978,623.90/x
  3. Step 3: Cross multiply
    1,040,140.70x = 1,557,100.65 × 978,623.90
  4. Step 4: Simplify right side
    1,040,140.70x = 1,523,815,910,795.54
  5. Step 5: Solve for x
    x = 1,523,815,910,795.54/1,040,140.70
  6. Step 6: Final answer
    x = 1,465,009.41

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