Home / 1,029,768.54-1,544,633.37-319,780.86

Finding the Fourth Proportional to 1,029,768.54, 1,544,633.37 and 319,780.86

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Solution

The fourth proportional to 1,029,768.54, 1,544,633.37 and 319,780.86 is: 479,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,768.54 : 1,544,633.37 = 319,780.86 : x
  2. Step 2: Convert to fraction form
    1,029,768.54/1,544,633.37 = 319,780.86/x
  3. Step 3: Cross multiply
    1,029,768.54x = 1,544,633.37 × 319,780.86
  4. Step 4: Simplify right side
    1,029,768.54x = 493,944,187,443.30
  5. Step 5: Solve for x
    x = 493,944,187,443.30/1,029,768.54
  6. Step 6: Final answer
    x = 479,665.25

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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.