Home / 1,305,390.51-1,800,845.55-846,620.76

Finding the Fourth Proportional to 1,305,390.51, 1,800,845.55 and 846,620.76

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Solution

The fourth proportional to 1,305,390.51, 1,800,845.55 and 846,620.76 is: 1,167,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,390.51 : 1,800,845.55 = 846,620.76 : x
  2. Step 2: Convert to fraction form
    1,305,390.51/1,800,845.55 = 846,620.76/x
  3. Step 3: Cross multiply
    1,305,390.51x = 1,800,845.55 × 846,620.76
  4. Step 4: Simplify right side
    1,305,390.51x = 1,524,633,228,183.62
  5. Step 5: Solve for x
    x = 1,524,633,228,183.62/1,305,390.51
  6. Step 6: Final answer
    x = 1,167,951.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.