Home / 1,204,142.44-1,804,949.31-405,146.62

Finding the Fourth Proportional to 1,204,142.44, 1,804,949.31 and 405,146.62

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Solution

The fourth proportional to 1,204,142.44, 1,804,949.31 and 405,146.62 is: 607,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,142.44 : 1,804,949.31 = 405,146.62 : x
  2. Step 2: Convert to fraction form
    1,204,142.44/1,804,949.31 = 405,146.62/x
  3. Step 3: Cross multiply
    1,204,142.44x = 1,804,949.31 × 405,146.62
  4. Step 4: Simplify right side
    1,204,142.44x = 731,269,112,217.83
  5. Step 5: Solve for x
    x = 731,269,112,217.83/1,204,142.44
  6. Step 6: Final answer
    x = 607,294.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.