Home / 1,298,504.22-1,791,819.27-725,464.86

Finding the Fourth Proportional to 1,298,504.22, 1,791,819.27 and 725,464.86

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Solution

The fourth proportional to 1,298,504.22, 1,791,819.27 and 725,464.86 is: 1,001,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,504.22 : 1,791,819.27 = 725,464.86 : x
  2. Step 2: Convert to fraction form
    1,298,504.22/1,791,819.27 = 725,464.86/x
  3. Step 3: Cross multiply
    1,298,504.22x = 1,791,819.27 × 725,464.86
  4. Step 4: Simplify right side
    1,298,504.22x = 1,299,901,915,855.85
  5. Step 5: Solve for x
    x = 1,299,901,915,855.85/1,298,504.22
  6. Step 6: Final answer
    x = 1,001,076.39

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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.