Home / 1,639,573.33-2,458,645.73-870,902.82

Finding the Fourth Proportional to 1,639,573.33, 2,458,645.73 and 870,902.82

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Solution

The fourth proportional to 1,639,573.33, 2,458,645.73 and 870,902.82 is: 1,305,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,573.33 : 2,458,645.73 = 870,902.82 : x
  2. Step 2: Convert to fraction form
    1,639,573.33/2,458,645.73 = 870,902.82/x
  3. Step 3: Cross multiply
    1,639,573.33x = 2,458,645.73 × 870,902.82
  4. Step 4: Simplify right side
    1,639,573.33x = 2,141,241,500,070.76
  5. Step 5: Solve for x
    x = 2,141,241,500,070.76/1,639,573.33
  6. Step 6: Final answer
    x = 1,305,974.83

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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.