Home / 1,691,311.75-2,537,340.78-493,327.82

Finding the Fourth Proportional to 1,691,311.75, 2,537,340.78 and 493,327.82

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Solution

The fourth proportional to 1,691,311.75, 2,537,340.78 and 493,327.82 is: 740,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,311.75 : 2,537,340.78 = 493,327.82 : x
  2. Step 2: Convert to fraction form
    1,691,311.75/2,537,340.78 = 493,327.82/x
  3. Step 3: Cross multiply
    1,691,311.75x = 2,537,340.78 × 493,327.82
  4. Step 4: Simplify right side
    1,691,311.75x = 1,251,740,805,109.53
  5. Step 5: Solve for x
    x = 1,251,740,805,109.53/1,691,311.75
  6. Step 6: Final answer
    x = 740,100.58

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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.