Home / 1,660,265.46-2,490,398.87-1,281,738.83

Finding the Fourth Proportional to 1,660,265.46, 2,490,398.87 and 1,281,738.83

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Solution

The fourth proportional to 1,660,265.46, 2,490,398.87 and 1,281,738.83 is: 1,922,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,265.46 : 2,490,398.87 = 1,281,738.83 : x
  2. Step 2: Convert to fraction form
    1,660,265.46/2,490,398.87 = 1,281,738.83/x
  3. Step 3: Cross multiply
    1,660,265.46x = 2,490,398.87 × 1,281,738.83
  4. Step 4: Simplify right side
    1,660,265.46x = 3,192,040,915,006.43
  5. Step 5: Solve for x
    x = 3,192,040,915,006.43/1,660,265.46
  6. Step 6: Final answer
    x = 1,922,608.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.