Home / 1,262,351.39-1,741,979.39-718,485.46

Finding the Fourth Proportional to 1,262,351.39, 1,741,979.39 and 718,485.46

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Solution

The fourth proportional to 1,262,351.39, 1,741,979.39 and 718,485.46 is: 991,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,351.39 : 1,741,979.39 = 718,485.46 : x
  2. Step 2: Convert to fraction form
    1,262,351.39/1,741,979.39 = 718,485.46/x
  3. Step 3: Cross multiply
    1,262,351.39x = 1,741,979.39 × 718,485.46
  4. Step 4: Simplify right side
    1,262,351.39x = 1,251,586,855,387.29
  5. Step 5: Solve for x
    x = 1,251,586,855,387.29/1,262,351.39
  6. Step 6: Final answer
    x = 991,472.64

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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.