Home / 819,366.23-1,229,489.98-789,542.57

Finding the Fourth Proportional to 819,366.23, 1,229,489.98 and 789,542.57

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Solution

The fourth proportional to 819,366.23, 1,229,489.98 and 789,542.57 is: 1,184,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,366.23 : 1,229,489.98 = 789,542.57 : x
  2. Step 2: Convert to fraction form
    819,366.23/1,229,489.98 = 789,542.57/x
  3. Step 3: Cross multiply
    819,366.23x = 1,229,489.98 × 789,542.57
  4. Step 4: Simplify right side
    819,366.23x = 970,734,670,477.14
  5. Step 5: Solve for x
    x = 970,734,670,477.14/819,366.23
  6. Step 6: Final answer
    x = 1,184,738.45

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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.