Home / 1,643,453.22-2,465,179.86-445,375.47

Finding the Fourth Proportional to 1,643,453.22, 2,465,179.86 and 445,375.47

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Solution

The fourth proportional to 1,643,453.22, 2,465,179.86 and 445,375.47 is: 668,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,453.22 : 2,465,179.86 = 445,375.47 : x
  2. Step 2: Convert to fraction form
    1,643,453.22/2,465,179.86 = 445,375.47/x
  3. Step 3: Cross multiply
    1,643,453.22x = 2,465,179.86 × 445,375.47
  4. Step 4: Simplify right side
    1,643,453.22x = 1,097,930,638,782.03
  5. Step 5: Solve for x
    x = 1,097,930,638,782.03/1,643,453.22
  6. Step 6: Final answer
    x = 668,063.21

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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.