Home / 1,277,226.41-1,915,847.44-378,676.67

Finding the Fourth Proportional to 1,277,226.41, 1,915,847.44 and 378,676.67

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Solution

The fourth proportional to 1,277,226.41, 1,915,847.44 and 378,676.67 is: 568,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,226.41 : 1,915,847.44 = 378,676.67 : x
  2. Step 2: Convert to fraction form
    1,277,226.41/1,915,847.44 = 378,676.67/x
  3. Step 3: Cross multiply
    1,277,226.41x = 1,915,847.44 × 378,676.67
  4. Step 4: Simplify right side
    1,277,226.41x = 725,486,718,281.30
  5. Step 5: Solve for x
    x = 725,486,718,281.30/1,277,226.41
  6. Step 6: Final answer
    x = 568,017.32

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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.