Home / 1,222,916.26-1,687,245.98-706,481.69

Finding the Fourth Proportional to 1,222,916.26, 1,687,245.98 and 706,481.69

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Solution

The fourth proportional to 1,222,916.26, 1,687,245.98 and 706,481.69 is: 974,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,916.26 : 1,687,245.98 = 706,481.69 : x
  2. Step 2: Convert to fraction form
    1,222,916.26/1,687,245.98 = 706,481.69/x
  3. Step 3: Cross multiply
    1,222,916.26x = 1,687,245.98 × 706,481.69
  4. Step 4: Simplify right side
    1,222,916.26x = 1,192,008,391,396.11
  5. Step 5: Solve for x
    x = 1,192,008,391,396.11/1,222,916.26
  6. Step 6: Final answer
    x = 974,726.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.