Home / 1,259,467.74-1,889,469.97-406,587.86

Finding the Fourth Proportional to 1,259,467.74, 1,889,469.97 and 406,587.86

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Solution

The fourth proportional to 1,259,467.74, 1,889,469.97 and 406,587.86 is: 609,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,467.74 : 1,889,469.97 = 406,587.86 : x
  2. Step 2: Convert to fraction form
    1,259,467.74/1,889,469.97 = 406,587.86/x
  3. Step 3: Cross multiply
    1,259,467.74x = 1,889,469.97 × 406,587.86
  4. Step 4: Simplify right side
    1,259,467.74x = 768,235,551,636.56
  5. Step 5: Solve for x
    x = 768,235,551,636.56/1,259,467.74
  6. Step 6: Final answer
    x = 609,968.42

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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.