Home / 1,294,414.83-1,786,294.44-721,442.70

Finding the Fourth Proportional to 1,294,414.83, 1,786,294.44 and 721,442.70

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Solution

The fourth proportional to 1,294,414.83, 1,786,294.44 and 721,442.70 is: 995,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,414.83 : 1,786,294.44 = 721,442.70 : x
  2. Step 2: Convert to fraction form
    1,294,414.83/1,786,294.44 = 721,442.70/x
  3. Step 3: Cross multiply
    1,294,414.83x = 1,786,294.44 × 721,442.70
  4. Step 4: Simplify right side
    1,294,414.83x = 1,288,709,083,788.59
  5. Step 5: Solve for x
    x = 1,288,709,083,788.59/1,294,414.83
  6. Step 6: Final answer
    x = 995,592.03

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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.