Home / 1,296,255.99-1,944,328.59-443,403.90

Finding the Fourth Proportional to 1,296,255.99, 1,944,328.59 and 443,403.90

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Solution

The fourth proportional to 1,296,255.99, 1,944,328.59 and 443,403.90 is: 665,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,255.99 : 1,944,328.59 = 443,403.90 : x
  2. Step 2: Convert to fraction form
    1,296,255.99/1,944,328.59 = 443,403.90/x
  3. Step 3: Cross multiply
    1,296,255.99x = 1,944,328.59 × 443,403.90
  4. Step 4: Simplify right side
    1,296,255.99x = 862,122,879,687.50
  5. Step 5: Solve for x
    x = 862,122,879,687.50/1,296,255.99
  6. Step 6: Final answer
    x = 665,086.90

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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.