Home / 1,322,320.32-1,824,814.08-718,709.76

Finding the Fourth Proportional to 1,322,320.32, 1,824,814.08 and 718,709.76

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Solution

The fourth proportional to 1,322,320.32, 1,824,814.08 and 718,709.76 is: 991,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,320.32 : 1,824,814.08 = 718,709.76 : x
  2. Step 2: Convert to fraction form
    1,322,320.32/1,824,814.08 = 718,709.76/x
  3. Step 3: Cross multiply
    1,322,320.32x = 1,824,814.08 × 718,709.76
  4. Step 4: Simplify right side
    1,322,320.32x = 1,311,511,689,481.42
  5. Step 5: Solve for x
    x = 1,311,511,689,481.42/1,322,320.32
  6. Step 6: Final answer
    x = 991,826.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.