Home / 1,322,873.88-1,825,426.16-778,974

Finding the Fourth Proportional to 1,322,873.88, 1,825,426.16 and 778,974

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Solution

The fourth proportional to 1,322,873.88, 1,825,426.16 and 778,974 is: 1,074,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,873.88 : 1,825,426.16 = 778,974 : x
  2. Step 2: Convert to fraction form
    1,322,873.88/1,825,426.16 = 778,974/x
  3. Step 3: Cross multiply
    1,322,873.88x = 1,825,426.16 × 778,974
  4. Step 4: Simplify right side
    1,322,873.88x = 1,421,959,517,559.84
  5. Step 5: Solve for x
    x = 1,421,959,517,559.84/1,322,873.88
  6. Step 6: Final answer
    x = 1,074,901.80

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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.