Home / 1,300,467.12-1,794,647.28-727,516.88

Finding the Fourth Proportional to 1,300,467.12, 1,794,647.28 and 727,516.88

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Solution

The fourth proportional to 1,300,467.12, 1,794,647.28 and 727,516.88 is: 1,003,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,467.12 : 1,794,647.28 = 727,516.88 : x
  2. Step 2: Convert to fraction form
    1,300,467.12/1,794,647.28 = 727,516.88/x
  3. Step 3: Cross multiply
    1,300,467.12x = 1,794,647.28 × 727,516.88
  4. Step 4: Simplify right side
    1,300,467.12x = 1,305,636,189,846.09
  5. Step 5: Solve for x
    x = 1,305,636,189,846.09/1,300,467.12
  6. Step 6: Final answer
    x = 1,003,974.78

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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.