Home / 1,219,770.70-1,829,745.92-321,206.22

Finding the Fourth Proportional to 1,219,770.70, 1,829,745.92 and 321,206.22

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Solution

The fourth proportional to 1,219,770.70, 1,829,745.92 and 321,206.22 is: 481,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,770.70 : 1,829,745.92 = 321,206.22 : x
  2. Step 2: Convert to fraction form
    1,219,770.70/1,829,745.92 = 321,206.22/x
  3. Step 3: Cross multiply
    1,219,770.70x = 1,829,745.92 × 321,206.22
  4. Step 4: Simplify right side
    1,219,770.70x = 587,725,771,326.64
  5. Step 5: Solve for x
    x = 587,725,771,326.64/1,219,770.70
  6. Step 6: Final answer
    x = 481,833.00

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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.