Home / 1,266.02-1,899.24-486.09

Finding the Fourth Proportional to 1,266.02, 1,899.24 and 486.09

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Solution

The fourth proportional to 1,266.02, 1,899.24 and 486.09 is: 729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.02 : 1,899.24 = 486.09 : x
  2. Step 2: Convert to fraction form
    1,266.02/1,899.24 = 486.09/x
  3. Step 3: Cross multiply
    1,266.02x = 1,899.24 × 486.09
  4. Step 4: Simplify right side
    1,266.02x = 923,201.57
  5. Step 5: Solve for x
    x = 923,201.57/1,266.02
  6. Step 6: Final answer
    x = 729.22

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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.