Home / 1,453,121.76-2,179,996.38-442,322.76

Finding the Fourth Proportional to 1,453,121.76, 2,179,996.38 and 442,322.76

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Solution

The fourth proportional to 1,453,121.76, 2,179,996.38 and 442,322.76 is: 663,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,121.76 : 2,179,996.38 = 442,322.76 : x
  2. Step 2: Convert to fraction form
    1,453,121.76/2,179,996.38 = 442,322.76/x
  3. Step 3: Cross multiply
    1,453,121.76x = 2,179,996.38 × 442,322.76
  4. Step 4: Simplify right side
    1,453,121.76x = 964,262,015,591.61
  5. Step 5: Solve for x
    x = 964,262,015,591.61/1,453,121.76
  6. Step 6: Final answer
    x = 663,579.64

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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.