Home / 1,469,089.72-2,203,530.09-389,578.32

Finding the Fourth Proportional to 1,469,089.72, 2,203,530.09 and 389,578.32

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Solution

The fourth proportional to 1,469,089.72, 2,203,530.09 and 389,578.32 is: 584,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,089.72 : 2,203,530.09 = 389,578.32 : x
  2. Step 2: Convert to fraction form
    1,469,089.72/2,203,530.09 = 389,578.32/x
  3. Step 3: Cross multiply
    1,469,089.72x = 2,203,530.09 × 389,578.32
  4. Step 4: Simplify right side
    1,469,089.72x = 858,447,549,070.73
  5. Step 5: Solve for x
    x = 858,447,549,070.73/1,469,089.72
  6. Step 6: Final answer
    x = 584,339.77

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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.