Home / 1,031,151.87-1,546,613.19-321,120.45

Finding the Fourth Proportional to 1,031,151.87, 1,546,613.19 and 321,120.45

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Solution

The fourth proportional to 1,031,151.87, 1,546,613.19 and 321,120.45 is: 481,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,151.87 : 1,546,613.19 = 321,120.45 : x
  2. Step 2: Convert to fraction form
    1,031,151.87/1,546,613.19 = 321,120.45/x
  3. Step 3: Cross multiply
    1,031,151.87x = 1,546,613.19 × 321,120.45
  4. Step 4: Simplify right side
    1,031,151.87x = 496,649,123,548.74
  5. Step 5: Solve for x
    x = 496,649,123,548.74/1,031,151.87
  6. Step 6: Final answer
    x = 481,644.98

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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.