Home / 1,329,021.32-1,834,049.44-725,409.32

Finding the Fourth Proportional to 1,329,021.32, 1,834,049.44 and 725,409.32

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Solution

The fourth proportional to 1,329,021.32, 1,834,049.44 and 725,409.32 is: 1,001,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,021.32 : 1,834,049.44 = 725,409.32 : x
  2. Step 2: Convert to fraction form
    1,329,021.32/1,834,049.44 = 725,409.32/x
  3. Step 3: Cross multiply
    1,329,021.32x = 1,834,049.44 × 725,409.32
  4. Step 4: Simplify right side
    1,329,021.32x = 1,330,436,557,116.78
  5. Step 5: Solve for x
    x = 1,330,436,557,116.78/1,329,021.32
  6. Step 6: Final answer
    x = 1,001,064.87

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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.