Home / 1,262,102.44-1,741,692.26-689,142.12

Finding the Fourth Proportional to 1,262,102.44, 1,741,692.26 and 689,142.12

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Solution

The fourth proportional to 1,262,102.44, 1,741,692.26 and 689,142.12 is: 951,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,102.44 : 1,741,692.26 = 689,142.12 : x
  2. Step 2: Convert to fraction form
    1,262,102.44/1,741,692.26 = 689,142.12/x
  3. Step 3: Cross multiply
    1,262,102.44x = 1,741,692.26 × 689,142.12
  4. Step 4: Simplify right side
    1,262,102.44x = 1,200,273,496,443.99
  5. Step 5: Solve for x
    x = 1,200,273,496,443.99/1,262,102.44
  6. Step 6: Final answer
    x = 951,011.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.