Home / 1,029,679.82-1,544,503.15-319,708.54

Finding the Fourth Proportional to 1,029,679.82, 1,544,503.15 and 319,708.54

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Solution

The fourth proportional to 1,029,679.82, 1,544,503.15 and 319,708.54 is: 479,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,679.82 : 1,544,503.15 = 319,708.54 : x
  2. Step 2: Convert to fraction form
    1,029,679.82/1,544,503.15 = 319,708.54/x
  3. Step 3: Cross multiply
    1,029,679.82x = 1,544,503.15 × 319,708.54
  4. Step 4: Simplify right side
    1,029,679.82x = 493,790,847,111.90
  5. Step 5: Solve for x
    x = 493,790,847,111.90/1,029,679.82
  6. Step 6: Final answer
    x = 479,557.66

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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.