Home / 1,238,716.80-1,848,160.80-1,103,997.60

Finding the Fourth Proportional to 1,238,716.80, 1,848,160.80 and 1,103,997.60

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Solution

The fourth proportional to 1,238,716.80, 1,848,160.80 and 1,103,997.60 is: 1,647,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,716.80 : 1,848,160.80 = 1,103,997.60 : x
  2. Step 2: Convert to fraction form
    1,238,716.80/1,848,160.80 = 1,103,997.60/x
  3. Step 3: Cross multiply
    1,238,716.80x = 1,848,160.80 × 1,103,997.60
  4. Step 4: Simplify right side
    1,238,716.80x = 2,040,365,087,614.08
  5. Step 5: Solve for x
    x = 2,040,365,087,614.08/1,238,716.80
  6. Step 6: Final answer
    x = 1,647,160.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.