Home / 1,031,156.87-1,546,620.69-321,125.45

Finding the Fourth Proportional to 1,031,156.87, 1,546,620.69 and 321,125.45

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Solution

The fourth proportional to 1,031,156.87, 1,546,620.69 and 321,125.45 is: 481,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,156.87 : 1,546,620.69 = 321,125.45 : x
  2. Step 2: Convert to fraction form
    1,031,156.87/1,546,620.69 = 321,125.45/x
  3. Step 3: Cross multiply
    1,031,156.87x = 1,546,620.69 × 321,125.45
  4. Step 4: Simplify right side
    1,031,156.87x = 496,659,265,055.56
  5. Step 5: Solve for x
    x = 496,659,265,055.56/1,031,156.87
  6. Step 6: Final answer
    x = 481,652.48

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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.