Home / 819,364.35-1,229,487.17-789,540.69

Finding the Fourth Proportional to 819,364.35, 1,229,487.17 and 789,540.69

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Solution

The fourth proportional to 819,364.35, 1,229,487.17 and 789,540.69 is: 1,184,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,364.35 : 1,229,487.17 = 789,540.69 : x
  2. Step 2: Convert to fraction form
    819,364.35/1,229,487.17 = 789,540.69/x
  3. Step 3: Cross multiply
    819,364.35x = 1,229,487.17 × 789,540.69
  4. Step 4: Simplify right side
    819,364.35x = 970,730,144,600.24
  5. Step 5: Solve for x
    x = 970,730,144,600.24/819,364.35
  6. Step 6: Final answer
    x = 1,184,735.64

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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.