Home / 1,611,939.11-2,417,821.17-489,920.63

Finding the Fourth Proportional to 1,611,939.11, 2,417,821.17 and 489,920.63

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Solution

The fourth proportional to 1,611,939.11, 2,417,821.17 and 489,920.63 is: 734,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,939.11 : 2,417,821.17 = 489,920.63 : x
  2. Step 2: Convert to fraction form
    1,611,939.11/2,417,821.17 = 489,920.63/x
  3. Step 3: Cross multiply
    1,611,939.11x = 2,417,821.17 × 489,920.63
  4. Step 4: Simplify right side
    1,611,939.11x = 1,184,540,458,744.63
  5. Step 5: Solve for x
    x = 1,184,540,458,744.63/1,611,939.11
  6. Step 6: Final answer
    x = 734,854.35

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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.