Home / 996,609.29-1,375,745.94-670,111.55

Finding the Fourth Proportional to 996,609.29, 1,375,745.94 and 670,111.55

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Solution

The fourth proportional to 996,609.29, 1,375,745.94 and 670,111.55 is: 925,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,609.29 : 1,375,745.94 = 670,111.55 : x
  2. Step 2: Convert to fraction form
    996,609.29/1,375,745.94 = 670,111.55/x
  3. Step 3: Cross multiply
    996,609.29x = 1,375,745.94 × 670,111.55
  4. Step 4: Simplify right side
    996,609.29x = 921,903,240,909.05
  5. Step 5: Solve for x
    x = 921,903,240,909.05/996,609.29
  6. Step 6: Final answer
    x = 925,039.78

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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.