Home / 1,318,629.18-1,978,755.93-519,774.78

Finding the Fourth Proportional to 1,318,629.18, 1,978,755.93 and 519,774.78

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Solution

The fourth proportional to 1,318,629.18, 1,978,755.93 and 519,774.78 is: 779,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,629.18 : 1,978,755.93 = 519,774.78 : x
  2. Step 2: Convert to fraction form
    1,318,629.18/1,978,755.93 = 519,774.78/x
  3. Step 3: Cross multiply
    1,318,629.18x = 1,978,755.93 × 519,774.78
  4. Step 4: Simplify right side
    1,318,629.18x = 1,028,507,428,189.45
  5. Step 5: Solve for x
    x = 1,028,507,428,189.45/1,318,629.18
  6. Step 6: Final answer
    x = 779,982.31

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