Home / 1,790,443.56-2,685,754.60-511,240.80

Finding the Fourth Proportional to 1,790,443.56, 2,685,754.60 and 511,240.80

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Solution

The fourth proportional to 1,790,443.56, 2,685,754.60 and 511,240.80 is: 766,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,443.56 : 2,685,754.60 = 511,240.80 : x
  2. Step 2: Convert to fraction form
    1,790,443.56/2,685,754.60 = 511,240.80/x
  3. Step 3: Cross multiply
    1,790,443.56x = 2,685,754.60 × 511,240.80
  4. Step 4: Simplify right side
    1,790,443.56x = 1,373,067,330,307.68
  5. Step 5: Solve for x
    x = 1,373,067,330,307.68/1,790,443.56
  6. Step 6: Final answer
    x = 766,886.69

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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.