Home / 1,289,629.10-1,934,441.22-343,000.82

Finding the Fourth Proportional to 1,289,629.10, 1,934,441.22 and 343,000.82

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Solution

The fourth proportional to 1,289,629.10, 1,934,441.22 and 343,000.82 is: 514,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,629.10 : 1,934,441.22 = 343,000.82 : x
  2. Step 2: Convert to fraction form
    1,289,629.10/1,934,441.22 = 343,000.82/x
  3. Step 3: Cross multiply
    1,289,629.10x = 1,934,441.22 × 343,000.82
  4. Step 4: Simplify right side
    1,289,629.10x = 663,514,924,701.80
  5. Step 5: Solve for x
    x = 663,514,924,701.80/1,289,629.10
  6. Step 6: Final answer
    x = 514,500.58

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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.