Home / 1,163,191.56-1,744,912.49-489,341.43

Finding the Fourth Proportional to 1,163,191.56, 1,744,912.49 and 489,341.43

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Solution

The fourth proportional to 1,163,191.56, 1,744,912.49 and 489,341.43 is: 734,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,191.56 : 1,744,912.49 = 489,341.43 : x
  2. Step 2: Convert to fraction form
    1,163,191.56/1,744,912.49 = 489,341.43/x
  3. Step 3: Cross multiply
    1,163,191.56x = 1,744,912.49 × 489,341.43
  4. Step 4: Simplify right side
    1,163,191.56x = 853,857,973,081.46
  5. Step 5: Solve for x
    x = 853,857,973,081.46/1,163,191.56
  6. Step 6: Final answer
    x = 734,064.79

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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.