Home / 1,260.66-1,739.72-701.18

Finding the Fourth Proportional to 1,260.66, 1,739.72 and 701.18

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Solution

The fourth proportional to 1,260.66, 1,739.72 and 701.18 is: 967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.66 : 1,739.72 = 701.18 : x
  2. Step 2: Convert to fraction form
    1,260.66/1,739.72 = 701.18/x
  3. Step 3: Cross multiply
    1,260.66x = 1,739.72 × 701.18
  4. Step 4: Simplify right side
    1,260.66x = 1,219,844.67
  5. Step 5: Solve for x
    x = 1,219,844.67/1,260.66
  6. Step 6: Final answer
    x = 967.62

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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.