Home / 1,270,029.51-1,752,638.45-726,175.53

Finding the Fourth Proportional to 1,270,029.51, 1,752,638.45 and 726,175.53

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Solution

The fourth proportional to 1,270,029.51, 1,752,638.45 and 726,175.53 is: 1,002,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,029.51 : 1,752,638.45 = 726,175.53 : x
  2. Step 2: Convert to fraction form
    1,270,029.51/1,752,638.45 = 726,175.53/x
  3. Step 3: Cross multiply
    1,270,029.51x = 1,752,638.45 × 726,175.53
  4. Step 4: Simplify right side
    1,270,029.51x = 1,272,723,151,696.25
  5. Step 5: Solve for x
    x = 1,272,723,151,696.25/1,270,029.51
  6. Step 6: Final answer
    x = 1,002,120.93

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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.