Home / 1,214,169.89-1,675,773.78-724,170.82

Finding the Fourth Proportional to 1,214,169.89, 1,675,773.78 and 724,170.82

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Solution

The fourth proportional to 1,214,169.89, 1,675,773.78 and 724,170.82 is: 999,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,169.89 : 1,675,773.78 = 724,170.82 : x
  2. Step 2: Convert to fraction form
    1,214,169.89/1,675,773.78 = 724,170.82/x
  3. Step 3: Cross multiply
    1,214,169.89x = 1,675,773.78 × 724,170.82
  4. Step 4: Simplify right side
    1,214,169.89x = 1,213,546,472,397.10
  5. Step 5: Solve for x
    x = 1,213,546,472,397.10/1,214,169.89
  6. Step 6: Final answer
    x = 999,486.55

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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.