Home / 1,266.07-1,899.23-525.53

Finding the Fourth Proportional to 1,266.07, 1,899.23 and 525.53

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Solution

The fourth proportional to 1,266.07, 1,899.23 and 525.53 is: 788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.07 : 1,899.23 = 525.53 : x
  2. Step 2: Convert to fraction form
    1,266.07/1,899.23 = 525.53/x
  3. Step 3: Cross multiply
    1,266.07x = 1,899.23 × 525.53
  4. Step 4: Simplify right side
    1,266.07x = 998,102.34
  5. Step 5: Solve for x
    x = 998,102.34/1,266.07
  6. Step 6: Final answer
    x = 788.35

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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.