Home / 1,260.07-1,738.90-700.59

Finding the Fourth Proportional to 1,260.07, 1,738.90 and 700.59

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Solution

The fourth proportional to 1,260.07, 1,738.90 and 700.59 is: 966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.07 : 1,738.90 = 700.59 : x
  2. Step 2: Convert to fraction form
    1,260.07/1,738.90 = 700.59/x
  3. Step 3: Cross multiply
    1,260.07x = 1,738.90 × 700.59
  4. Step 4: Simplify right side
    1,260.07x = 1,218,249.85
  5. Step 5: Solve for x
    x = 1,218,249.85/1,260.07
  6. Step 6: Final answer
    x = 966.82

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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.