Home / 1,260.77-1,739.98-701.23

Finding the Fourth Proportional to 1,260.77, 1,739.98 and 701.23

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Solution

The fourth proportional to 1,260.77, 1,739.98 and 701.23 is: 967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.77 : 1,739.98 = 701.23 : x
  2. Step 2: Convert to fraction form
    1,260.77/1,739.98 = 701.23/x
  3. Step 3: Cross multiply
    1,260.77x = 1,739.98 × 701.23
  4. Step 4: Simplify right side
    1,260.77x = 1,220,124.42
  5. Step 5: Solve for x
    x = 1,220,124.42/1,260.77
  6. Step 6: Final answer
    x = 967.76

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1.5x scale

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.