Home / 1,031,152.87-1,546,614.69-321,121.45

Finding the Fourth Proportional to 1,031,152.87, 1,546,614.69 and 321,121.45

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Solution

The fourth proportional to 1,031,152.87, 1,546,614.69 and 321,121.45 is: 481,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,152.87 : 1,546,614.69 = 321,121.45 : x
  2. Step 2: Convert to fraction form
    1,031,152.87/1,546,614.69 = 321,121.45/x
  3. Step 3: Cross multiply
    1,031,152.87x = 1,546,614.69 × 321,121.45
  4. Step 4: Simplify right side
    1,031,152.87x = 496,651,151,844.10
  5. Step 5: Solve for x
    x = 496,651,151,844.10/1,031,152.87
  6. Step 6: Final answer
    x = 481,646.48

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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.