Home / 1,271,633.26-1,907,372.66-451,012.54

Finding the Fourth Proportional to 1,271,633.26, 1,907,372.66 and 451,012.54

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Solution

The fourth proportional to 1,271,633.26, 1,907,372.66 and 451,012.54 is: 676,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,633.26 : 1,907,372.66 = 451,012.54 : x
  2. Step 2: Convert to fraction form
    1,271,633.26/1,907,372.66 = 451,012.54/x
  3. Step 3: Cross multiply
    1,271,633.26x = 1,907,372.66 × 451,012.54
  4. Step 4: Simplify right side
    1,271,633.26x = 860,248,985,858.09
  5. Step 5: Solve for x
    x = 860,248,985,858.09/1,271,633.26
  6. Step 6: Final answer
    x = 676,491.42

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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.