Home / 1,077,843.56-1,616,114.13-429,519.48

Finding the Fourth Proportional to 1,077,843.56, 1,616,114.13 and 429,519.48

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Solution

The fourth proportional to 1,077,843.56, 1,616,114.13 and 429,519.48 is: 644,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,843.56 : 1,616,114.13 = 429,519.48 : x
  2. Step 2: Convert to fraction form
    1,077,843.56/1,616,114.13 = 429,519.48/x
  3. Step 3: Cross multiply
    1,077,843.56x = 1,616,114.13 × 429,519.48
  4. Step 4: Simplify right side
    1,077,843.56x = 694,152,498,590.66
  5. Step 5: Solve for x
    x = 694,152,498,590.66/1,077,843.56
  6. Step 6: Final answer
    x = 644,019.71

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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.