Home / 1,238,789.34-1,858,009.05-397,231.74

Finding the Fourth Proportional to 1,238,789.34, 1,858,009.05 and 397,231.74

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Solution

The fourth proportional to 1,238,789.34, 1,858,009.05 and 397,231.74 is: 595,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,789.34 : 1,858,009.05 = 397,231.74 : x
  2. Step 2: Convert to fraction form
    1,238,789.34/1,858,009.05 = 397,231.74/x
  3. Step 3: Cross multiply
    1,238,789.34x = 1,858,009.05 × 397,231.74
  4. Step 4: Simplify right side
    1,238,789.34x = 738,060,167,867.25
  5. Step 5: Solve for x
    x = 738,060,167,867.25/1,238,789.34
  6. Step 6: Final answer
    x = 595,791.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.