Home / 1,289,630.56-1,934,229.84-343,014.88

Finding the Fourth Proportional to 1,289,630.56, 1,934,229.84 and 343,014.88

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Solution

The fourth proportional to 1,289,630.56, 1,934,229.84 and 343,014.88 is: 514,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,630.56 : 1,934,229.84 = 343,014.88 : x
  2. Step 2: Convert to fraction form
    1,289,630.56/1,934,229.84 = 343,014.88/x
  3. Step 3: Cross multiply
    1,289,630.56x = 1,934,229.84 × 343,014.88
  4. Step 4: Simplify right side
    1,289,630.56x = 663,469,616,460.02
  5. Step 5: Solve for x
    x = 663,469,616,460.02/1,289,630.56
  6. Step 6: Final answer
    x = 514,464.87

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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.