Home / 1,289,691.88-1,777,899-901,301.44

Finding the Fourth Proportional to 1,289,691.88, 1,777,899 and 901,301.44

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Solution

The fourth proportional to 1,289,691.88, 1,777,899 and 901,301.44 is: 1,242,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,691.88 : 1,777,899 = 901,301.44 : x
  2. Step 2: Convert to fraction form
    1,289,691.88/1,777,899 = 901,301.44/x
  3. Step 3: Cross multiply
    1,289,691.88x = 1,777,899 × 901,301.44
  4. Step 4: Simplify right side
    1,289,691.88x = 1,602,422,928,874.56
  5. Step 5: Solve for x
    x = 1,602,422,928,874.56/1,289,691.88
  6. Step 6: Final answer
    x = 1,242,485.09

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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.