Home / 1,200,991.58-1,800,330.05-442,418.41

Finding the Fourth Proportional to 1,200,991.58, 1,800,330.05 and 442,418.41

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Solution

The fourth proportional to 1,200,991.58, 1,800,330.05 and 442,418.41 is: 663,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,991.58 : 1,800,330.05 = 442,418.41 : x
  2. Step 2: Convert to fraction form
    1,200,991.58/1,800,330.05 = 442,418.41/x
  3. Step 3: Cross multiply
    1,200,991.58x = 1,800,330.05 × 442,418.41
  4. Step 4: Simplify right side
    1,200,991.58x = 796,499,148,937.22
  5. Step 5: Solve for x
    x = 796,499,148,937.22/1,200,991.58
  6. Step 6: Final answer
    x = 663,201.28

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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.