Home / 1,266.20-1,899.73-444.59

Finding the Fourth Proportional to 1,266.20, 1,899.73 and 444.59

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Solution

The fourth proportional to 1,266.20, 1,899.73 and 444.59 is: 667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.20 : 1,899.73 = 444.59 : x
  2. Step 2: Convert to fraction form
    1,266.20/1,899.73 = 444.59/x
  3. Step 3: Cross multiply
    1,266.20x = 1,899.73 × 444.59
  4. Step 4: Simplify right side
    1,266.20x = 844,591.46
  5. Step 5: Solve for x
    x = 844,591.46/1,266.20
  6. Step 6: Final answer
    x = 667.03

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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.