Home / 1,375,065.38-1,897,561.69-763,182.27

Finding the Fourth Proportional to 1,375,065.38, 1,897,561.69 and 763,182.27

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Solution

The fourth proportional to 1,375,065.38, 1,897,561.69 and 763,182.27 is: 1,053,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,065.38 : 1,897,561.69 = 763,182.27 : x
  2. Step 2: Convert to fraction form
    1,375,065.38/1,897,561.69 = 763,182.27/x
  3. Step 3: Cross multiply
    1,375,065.38x = 1,897,561.69 × 763,182.27
  4. Step 4: Simplify right side
    1,375,065.38x = 1,448,185,436,131.28
  5. Step 5: Solve for x
    x = 1,448,185,436,131.28/1,375,065.38
  6. Step 6: Final answer
    x = 1,053,175.69

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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.