Home / 1,802,809.67-2,704,575.35-665,578.78

Finding the Fourth Proportional to 1,802,809.67, 2,704,575.35 and 665,578.78

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Solution

The fourth proportional to 1,802,809.67, 2,704,575.35 and 665,578.78 is: 998,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,809.67 : 2,704,575.35 = 665,578.78 : x
  2. Step 2: Convert to fraction form
    1,802,809.67/2,704,575.35 = 665,578.78/x
  3. Step 3: Cross multiply
    1,802,809.67x = 2,704,575.35 × 665,578.78
  4. Step 4: Simplify right side
    1,802,809.67x = 1,800,107,956,773.58
  5. Step 5: Solve for x
    x = 1,800,107,956,773.58/1,802,809.67
  6. Step 6: Final answer
    x = 998,501.39

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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.