Home / 1,269.23-1,751.83-826.36

Finding the Fourth Proportional to 1,269.23, 1,751.83 and 826.36

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Solution

The fourth proportional to 1,269.23, 1,751.83 and 826.36 is: 1,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269.23 : 1,751.83 = 826.36 : x
  2. Step 2: Convert to fraction form
    1,269.23/1,751.83 = 826.36/x
  3. Step 3: Cross multiply
    1,269.23x = 1,751.83 × 826.36
  4. Step 4: Simplify right side
    1,269.23x = 1,447,642.24
  5. Step 5: Solve for x
    x = 1,447,642.24/1,269.23
  6. Step 6: Final answer
    x = 1,140.57

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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.