Home / 1,230,743.86-1,846,100.94-319,845.63

Finding the Fourth Proportional to 1,230,743.86, 1,846,100.94 and 319,845.63

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Solution

The fourth proportional to 1,230,743.86, 1,846,100.94 and 319,845.63 is: 479,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,743.86 : 1,846,100.94 = 319,845.63 : x
  2. Step 2: Convert to fraction form
    1,230,743.86/1,846,100.94 = 319,845.63/x
  3. Step 3: Cross multiply
    1,230,743.86x = 1,846,100.94 × 319,845.63
  4. Step 4: Simplify right side
    1,230,743.86x = 590,467,318,197.89
  5. Step 5: Solve for x
    x = 590,467,318,197.89/1,230,743.86
  6. Step 6: Final answer
    x = 479,764.59

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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.