Home / 1,691,161.50-2,536,788.42-493,054.86

Finding the Fourth Proportional to 1,691,161.50, 2,536,788.42 and 493,054.86

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Solution

The fourth proportional to 1,691,161.50, 2,536,788.42 and 493,054.86 is: 739,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,161.50 : 2,536,788.42 = 493,054.86 : x
  2. Step 2: Convert to fraction form
    1,691,161.50/2,536,788.42 = 493,054.86/x
  3. Step 3: Cross multiply
    1,691,161.50x = 2,536,788.42 × 493,054.86
  4. Step 4: Simplify right side
    1,691,161.50x = 1,250,775,859,272.72
  5. Step 5: Solve for x
    x = 1,250,775,859,272.72/1,691,161.50
  6. Step 6: Final answer
    x = 739,595.75

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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.