Home / 1,180,830.08-1,629,544.56-644,286.08

Finding the Fourth Proportional to 1,180,830.08, 1,629,544.56 and 644,286.08

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Solution

The fourth proportional to 1,180,830.08, 1,629,544.56 and 644,286.08 is: 889,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,830.08 : 1,629,544.56 = 644,286.08 : x
  2. Step 2: Convert to fraction form
    1,180,830.08/1,629,544.56 = 644,286.08/x
  3. Step 3: Cross multiply
    1,180,830.08x = 1,629,544.56 × 644,286.08
  4. Step 4: Simplify right side
    1,180,830.08x = 1,049,892,876,747.72
  5. Step 5: Solve for x
    x = 1,049,892,876,747.72/1,180,830.08
  6. Step 6: Final answer
    x = 889,114.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.