Home / 1,322,554.64-1,825,460.18-813,712.64

Finding the Fourth Proportional to 1,322,554.64, 1,825,460.18 and 813,712.64

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Solution

The fourth proportional to 1,322,554.64, 1,825,460.18 and 813,712.64 is: 1,123,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,554.64 : 1,825,460.18 = 813,712.64 : x
  2. Step 2: Convert to fraction form
    1,322,554.64/1,825,460.18 = 813,712.64/x
  3. Step 3: Cross multiply
    1,322,554.64x = 1,825,460.18 × 813,712.64
  4. Step 4: Simplify right side
    1,322,554.64x = 1,485,400,022,282.68
  5. Step 5: Solve for x
    x = 1,485,400,022,282.68/1,322,554.64
  6. Step 6: Final answer
    x = 1,123,129.42

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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.