Home / 1,302,289.20-1,797,073.56-729,198

Finding the Fourth Proportional to 1,302,289.20, 1,797,073.56 and 729,198

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Solution

The fourth proportional to 1,302,289.20, 1,797,073.56 and 729,198 is: 1,006,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,289.20 : 1,797,073.56 = 729,198 : x
  2. Step 2: Convert to fraction form
    1,302,289.20/1,797,073.56 = 729,198/x
  3. Step 3: Cross multiply
    1,302,289.20x = 1,797,073.56 × 729,198
  4. Step 4: Simplify right side
    1,302,289.20x = 1,310,422,445,804.88
  5. Step 5: Solve for x
    x = 1,310,422,445,804.88/1,302,289.20
  6. Step 6: Final answer
    x = 1,006,245.35

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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.