Home / 1,299,658.19-1,949,514.01-401,100.48

Finding the Fourth Proportional to 1,299,658.19, 1,949,514.01 and 401,100.48

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Solution

The fourth proportional to 1,299,658.19, 1,949,514.01 and 401,100.48 is: 601,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,658.19 : 1,949,514.01 = 401,100.48 : x
  2. Step 2: Convert to fraction form
    1,299,658.19/1,949,514.01 = 401,100.48/x
  3. Step 3: Cross multiply
    1,299,658.19x = 1,949,514.01 × 401,100.48
  4. Step 4: Simplify right side
    1,299,658.19x = 781,951,004,174.97
  5. Step 5: Solve for x
    x = 781,951,004,174.97/1,299,658.19
  6. Step 6: Final answer
    x = 601,658.97

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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.