Home / 1,167,389.34-1,751,170.41-419,441.82

Finding the Fourth Proportional to 1,167,389.34, 1,751,170.41 and 419,441.82

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Solution

The fourth proportional to 1,167,389.34, 1,751,170.41 and 419,441.82 is: 629,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,389.34 : 1,751,170.41 = 419,441.82 : x
  2. Step 2: Convert to fraction form
    1,167,389.34/1,751,170.41 = 419,441.82/x
  3. Step 3: Cross multiply
    1,167,389.34x = 1,751,170.41 × 419,441.82
  4. Step 4: Simplify right side
    1,167,389.34x = 734,514,103,900.55
  5. Step 5: Solve for x
    x = 734,514,103,900.55/1,167,389.34
  6. Step 6: Final answer
    x = 629,193.77

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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.