Home / 1,219,676.71-1,829,348.99-321,043.20

Finding the Fourth Proportional to 1,219,676.71, 1,829,348.99 and 321,043.20

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Solution

The fourth proportional to 1,219,676.71, 1,829,348.99 and 321,043.20 is: 481,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,676.71 : 1,829,348.99 = 321,043.20 : x
  2. Step 2: Convert to fraction form
    1,219,676.71/1,829,348.99 = 321,043.20/x
  3. Step 3: Cross multiply
    1,219,676.71x = 1,829,348.99 × 321,043.20
  4. Step 4: Simplify right side
    1,219,676.71x = 587,300,046,405.01
  5. Step 5: Solve for x
    x = 587,300,046,405.01/1,219,676.71
  6. Step 6: Final answer
    x = 481,521.08

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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.