Home / 1,126,914.12-1,690,371.18-682,749

Finding the Fourth Proportional to 1,126,914.12, 1,690,371.18 and 682,749

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Solution

The fourth proportional to 1,126,914.12, 1,690,371.18 and 682,749 is: 1,024,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,914.12 : 1,690,371.18 = 682,749 : x
  2. Step 2: Convert to fraction form
    1,126,914.12/1,690,371.18 = 682,749/x
  3. Step 3: Cross multiply
    1,126,914.12x = 1,690,371.18 × 682,749
  4. Step 4: Simplify right side
    1,126,914.12x = 1,154,099,232,773.82
  5. Step 5: Solve for x
    x = 1,154,099,232,773.82/1,126,914.12
  6. Step 6: Final answer
    x = 1,024,123.50

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1.5x scale

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.