Home / 1,318,915.09-1,978,369.56-866,362.94

Finding the Fourth Proportional to 1,318,915.09, 1,978,369.56 and 866,362.94

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Solution

The fourth proportional to 1,318,915.09, 1,978,369.56 and 866,362.94 is: 1,299,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,915.09 : 1,978,369.56 = 866,362.94 : x
  2. Step 2: Convert to fraction form
    1,318,915.09/1,978,369.56 = 866,362.94/x
  3. Step 3: Cross multiply
    1,318,915.09x = 1,978,369.56 × 866,362.94
  4. Step 4: Simplify right side
    1,318,915.09x = 1,713,986,065,935.14
  5. Step 5: Solve for x
    x = 1,713,986,065,935.14/1,318,915.09
  6. Step 6: Final answer
    x = 1,299,542.39

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