Home / 1,307,668.72-1,961,500.20-348,124.56

Finding the Fourth Proportional to 1,307,668.72, 1,961,500.20 and 348,124.56

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Solution

The fourth proportional to 1,307,668.72, 1,961,500.20 and 348,124.56 is: 522,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,668.72 : 1,961,500.20 = 348,124.56 : x
  2. Step 2: Convert to fraction form
    1,307,668.72/1,961,500.20 = 348,124.56/x
  3. Step 3: Cross multiply
    1,307,668.72x = 1,961,500.20 × 348,124.56
  4. Step 4: Simplify right side
    1,307,668.72x = 682,846,394,064.91
  5. Step 5: Solve for x
    x = 682,846,394,064.91/1,307,668.72
  6. Step 6: Final answer
    x = 522,186.07

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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.