Home / 1,300,636.80-1,794,886.83-727,676.82

Finding the Fourth Proportional to 1,300,636.80, 1,794,886.83 and 727,676.82

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Solution

The fourth proportional to 1,300,636.80, 1,794,886.83 and 727,676.82 is: 1,004,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,636.80 : 1,794,886.83 = 727,676.82 : x
  2. Step 2: Convert to fraction form
    1,300,636.80/1,794,886.83 = 727,676.82/x
  3. Step 3: Cross multiply
    1,300,636.80x = 1,794,886.83 × 727,676.82
  4. Step 4: Simplify right side
    1,300,636.80x = 1,306,097,540,714.28
  5. Step 5: Solve for x
    x = 1,306,097,540,714.28/1,300,636.80
  6. Step 6: Final answer
    x = 1,004,198.51

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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.