Home / 1,270,001.36-1,752,149.42-753,359.51

Finding the Fourth Proportional to 1,270,001.36, 1,752,149.42 and 753,359.51

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Solution

The fourth proportional to 1,270,001.36, 1,752,149.42 and 753,359.51 is: 1,039,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,001.36 : 1,752,149.42 = 753,359.51 : x
  2. Step 2: Convert to fraction form
    1,270,001.36/1,752,149.42 = 753,359.51/x
  3. Step 3: Cross multiply
    1,270,001.36x = 1,752,149.42 × 753,359.51
  4. Step 4: Simplify right side
    1,270,001.36x = 1,319,998,430,381.38
  5. Step 5: Solve for x
    x = 1,319,998,430,381.38/1,270,001.36
  6. Step 6: Final answer
    x = 1,039,367.73

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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.