Home / 1,307,458.80-1,805,049.36-855,537.12

Finding the Fourth Proportional to 1,307,458.80, 1,805,049.36 and 855,537.12

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Solution

The fourth proportional to 1,307,458.80, 1,805,049.36 and 855,537.12 is: 1,181,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,458.80 : 1,805,049.36 = 855,537.12 : x
  2. Step 2: Convert to fraction form
    1,307,458.80/1,805,049.36 = 855,537.12/x
  3. Step 3: Cross multiply
    1,307,458.80x = 1,805,049.36 × 855,537.12
  4. Step 4: Simplify right side
    1,307,458.80x = 1,544,286,730,912.24
  5. Step 5: Solve for x
    x = 1,544,286,730,912.24/1,307,458.80
  6. Step 6: Final answer
    x = 1,181,136.06

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