Home / 1,270,205.02-1,752,908.97-718,920.71

Finding the Fourth Proportional to 1,270,205.02, 1,752,908.97 and 718,920.71

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Solution

The fourth proportional to 1,270,205.02, 1,752,908.97 and 718,920.71 is: 992,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,205.02 : 1,752,908.97 = 718,920.71 : x
  2. Step 2: Convert to fraction form
    1,270,205.02/1,752,908.97 = 718,920.71/x
  3. Step 3: Cross multiply
    1,270,205.02x = 1,752,908.97 × 718,920.71
  4. Step 4: Simplify right side
    1,270,205.02x = 1,260,202,561,277.77
  5. Step 5: Solve for x
    x = 1,260,202,561,277.77/1,270,205.02
  6. Step 6: Final answer
    x = 992,125.32

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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.