Home / 1,270,727.24-1,753,634.22-689,975.06

Finding the Fourth Proportional to 1,270,727.24, 1,753,634.22 and 689,975.06

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Solution

The fourth proportional to 1,270,727.24, 1,753,634.22 and 689,975.06 is: 952,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,727.24 : 1,753,634.22 = 689,975.06 : x
  2. Step 2: Convert to fraction form
    1,270,727.24/1,753,634.22 = 689,975.06/x
  3. Step 3: Cross multiply
    1,270,727.24x = 1,753,634.22 × 689,975.06
  4. Step 4: Simplify right side
    1,270,727.24x = 1,209,963,876,162.55
  5. Step 5: Solve for x
    x = 1,209,963,876,162.55/1,270,727.24
  6. Step 6: Final answer
    x = 952,182.21

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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.