Home / 1,491,842.89-2,237,747.82-892,971.19

Finding the Fourth Proportional to 1,491,842.89, 2,237,747.82 and 892,971.19

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Solution

The fourth proportional to 1,491,842.89, 2,237,747.82 and 892,971.19 is: 1,339,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,842.89 : 2,237,747.82 = 892,971.19 : x
  2. Step 2: Convert to fraction form
    1,491,842.89/2,237,747.82 = 892,971.19/x
  3. Step 3: Cross multiply
    1,491,842.89x = 2,237,747.82 × 892,971.19
  4. Step 4: Simplify right side
    1,491,842.89x = 1,998,244,333,745.31
  5. Step 5: Solve for x
    x = 1,998,244,333,745.31/1,491,842.89
  6. Step 6: Final answer
    x = 1,339,446.90

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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.