Home / 1,129,845.40-1,694,826.40-288,404.44

Finding the Fourth Proportional to 1,129,845.40, 1,694,826.40 and 288,404.44

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Solution

The fourth proportional to 1,129,845.40, 1,694,826.40 and 288,404.44 is: 432,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,845.40 : 1,694,826.40 = 288,404.44 : x
  2. Step 2: Convert to fraction form
    1,129,845.40/1,694,826.40 = 288,404.44/x
  3. Step 3: Cross multiply
    1,129,845.40x = 1,694,826.40 × 288,404.44
  4. Step 4: Simplify right side
    1,129,845.40x = 488,795,458,789.22
  5. Step 5: Solve for x
    x = 488,795,458,789.22/1,129,845.40
  6. Step 6: Final answer
    x = 432,621.54

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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.