Home / 1,289,984.77-1,934,977.58-379,167.44

Finding the Fourth Proportional to 1,289,984.77, 1,934,977.58 and 379,167.44

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Solution

The fourth proportional to 1,289,984.77, 1,934,977.58 and 379,167.44 is: 568,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,984.77 : 1,934,977.58 = 379,167.44 : x
  2. Step 2: Convert to fraction form
    1,289,984.77/1,934,977.58 = 379,167.44/x
  3. Step 3: Cross multiply
    1,289,984.77x = 1,934,977.58 × 379,167.44
  4. Step 4: Simplify right side
    1,289,984.77x = 733,680,485,317.15
  5. Step 5: Solve for x
    x = 733,680,485,317.15/1,289,984.77
  6. Step 6: Final answer
    x = 568,751.28

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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.