Home / 1,219,772.68-1,829,748.94-321,208.22

Finding the Fourth Proportional to 1,219,772.68, 1,829,748.94 and 321,208.22

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Solution

The fourth proportional to 1,219,772.68, 1,829,748.94 and 321,208.22 is: 481,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,772.68 : 1,829,748.94 = 321,208.22 : x
  2. Step 2: Convert to fraction form
    1,219,772.68/1,829,748.94 = 321,208.22/x
  3. Step 3: Cross multiply
    1,219,772.68x = 1,829,748.94 × 321,208.22
  4. Step 4: Simplify right side
    1,219,772.68x = 587,730,400,064.29
  5. Step 5: Solve for x
    x = 587,730,400,064.29/1,219,772.68
  6. Step 6: Final answer
    x = 481,836.01

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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.