Home / 1,260.12-1,738.93-700.58

Finding the Fourth Proportional to 1,260.12, 1,738.93 and 700.58

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Solution

The fourth proportional to 1,260.12, 1,738.93 and 700.58 is: 966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.12 : 1,738.93 = 700.58 : x
  2. Step 2: Convert to fraction form
    1,260.12/1,738.93 = 700.58/x
  3. Step 3: Cross multiply
    1,260.12x = 1,738.93 × 700.58
  4. Step 4: Simplify right side
    1,260.12x = 1,218,256.08
  5. Step 5: Solve for x
    x = 1,218,256.08/1,260.12
  6. Step 6: Final answer
    x = 966.78

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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.