Home / 1,375,060.01-1,897,428.92-763,238.56

Finding the Fourth Proportional to 1,375,060.01, 1,897,428.92 and 763,238.56

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Solution

The fourth proportional to 1,375,060.01, 1,897,428.92 and 763,238.56 is: 1,053,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,060.01 : 1,897,428.92 = 763,238.56 : x
  2. Step 2: Convert to fraction form
    1,375,060.01/1,897,428.92 = 763,238.56/x
  3. Step 3: Cross multiply
    1,375,060.01x = 1,897,428.92 × 763,238.56
  4. Step 4: Simplify right side
    1,375,060.01x = 1,448,190,912,786.96
  5. Step 5: Solve for x
    x = 1,448,190,912,786.96/1,375,060.01
  6. Step 6: Final answer
    x = 1,053,183.79

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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.