Home / 1,031,171.40-1,546,872.30-321,193.80

Finding the Fourth Proportional to 1,031,171.40, 1,546,872.30 and 321,193.80

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Solution

The fourth proportional to 1,031,171.40, 1,546,872.30 and 321,193.80 is: 481,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,171.40 : 1,546,872.30 = 321,193.80 : x
  2. Step 2: Convert to fraction form
    1,031,171.40/1,546,872.30 = 321,193.80/x
  3. Step 3: Cross multiply
    1,031,171.40x = 1,546,872.30 × 321,193.80
  4. Step 4: Simplify right side
    1,031,171.40x = 496,845,792,151.74
  5. Step 5: Solve for x
    x = 496,845,792,151.74/1,031,171.40
  6. Step 6: Final answer
    x = 481,826.58

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Double scale
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1.5x scale

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.