Home / 1,207,261.26-1,809,766.26-407,983.86

Finding the Fourth Proportional to 1,207,261.26, 1,809,766.26 and 407,983.86

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Solution

The fourth proportional to 1,207,261.26, 1,809,766.26 and 407,983.86 is: 611,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,261.26 : 1,809,766.26 = 407,983.86 : x
  2. Step 2: Convert to fraction form
    1,207,261.26/1,809,766.26 = 407,983.86/x
  3. Step 3: Cross multiply
    1,207,261.26x = 1,809,766.26 × 407,983.86
  4. Step 4: Simplify right side
    1,207,261.26x = 738,355,424,452.56
  5. Step 5: Solve for x
    x = 738,355,424,452.56/1,207,261.26
  6. Step 6: Final answer
    x = 611,595.39

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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.