Home / 1,322,471.25-1,825,011.54-718,859.25

Finding the Fourth Proportional to 1,322,471.25, 1,825,011.54 and 718,859.25

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Solution

The fourth proportional to 1,322,471.25, 1,825,011.54 and 718,859.25 is: 992,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,471.25 : 1,825,011.54 = 718,859.25 : x
  2. Step 2: Convert to fraction form
    1,322,471.25/1,825,011.54 = 718,859.25/x
  3. Step 3: Cross multiply
    1,322,471.25x = 1,825,011.54 × 718,859.25
  4. Step 4: Simplify right side
    1,322,471.25x = 1,311,926,426,885.75
  5. Step 5: Solve for x
    x = 1,311,926,426,885.75/1,322,471.25
  6. Step 6: Final answer
    x = 992,026.43

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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.