Home / 1,067,255.88-1,600,128.90-534,394.68

Finding the Fourth Proportional to 1,067,255.88, 1,600,128.90 and 534,394.68

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Solution

The fourth proportional to 1,067,255.88, 1,600,128.90 and 534,394.68 is: 801,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,255.88 : 1,600,128.90 = 534,394.68 : x
  2. Step 2: Convert to fraction form
    1,067,255.88/1,600,128.90 = 534,394.68/x
  3. Step 3: Cross multiply
    1,067,255.88x = 1,600,128.90 × 534,394.68
  4. Step 4: Simplify right side
    1,067,255.88x = 855,100,371,474.25
  5. Step 5: Solve for x
    x = 855,100,371,474.25/1,067,255.88
  6. Step 6: Final answer
    x = 801,214.02

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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.