Home / 1,425,083.84-2,137,729.44-478,446.56

Finding the Fourth Proportional to 1,425,083.84, 2,137,729.44 and 478,446.56

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Solution

The fourth proportional to 1,425,083.84, 2,137,729.44 and 478,446.56 is: 717,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,083.84 : 2,137,729.44 = 478,446.56 : x
  2. Step 2: Convert to fraction form
    1,425,083.84/2,137,729.44 = 478,446.56/x
  3. Step 3: Cross multiply
    1,425,083.84x = 2,137,729.44 × 478,446.56
  4. Step 4: Simplify right side
    1,425,083.84x = 1,022,789,296,778.73
  5. Step 5: Solve for x
    x = 1,022,789,296,778.73/1,425,083.84
  6. Step 6: Final answer
    x = 717,704.65

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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.