Home / 855,629.20-1,281,888.60-696,998.80

Finding the Fourth Proportional to 855,629.20, 1,281,888.60 and 696,998.80

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Solution

The fourth proportional to 855,629.20, 1,281,888.60 and 696,998.80 is: 1,044,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,629.20 : 1,281,888.60 = 696,998.80 : x
  2. Step 2: Convert to fraction form
    855,629.20/1,281,888.60 = 696,998.80/x
  3. Step 3: Cross multiply
    855,629.20x = 1,281,888.60 × 696,998.80
  4. Step 4: Simplify right side
    855,629.20x = 893,474,815,933.68
  5. Step 5: Solve for x
    x = 893,474,815,933.68/855,629.20
  6. Step 6: Final answer
    x = 1,044,231.33

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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.