Home / 1,294,458.84-1,786,414.62-721,503.24

Finding the Fourth Proportional to 1,294,458.84, 1,786,414.62 and 721,503.24

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Solution

The fourth proportional to 1,294,458.84, 1,786,414.62 and 721,503.24 is: 995,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,458.84 : 1,786,414.62 = 721,503.24 : x
  2. Step 2: Convert to fraction form
    1,294,458.84/1,786,414.62 = 721,503.24/x
  3. Step 3: Cross multiply
    1,294,458.84x = 1,786,414.62 × 721,503.24
  4. Step 4: Simplify right side
    1,294,458.84x = 1,288,903,936,313.37
  5. Step 5: Solve for x
    x = 1,288,903,936,313.37/1,294,458.84
  6. Step 6: Final answer
    x = 995,708.71

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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.