Home / 1,490,043.24-2,056,198.68-845,449.56

Finding the Fourth Proportional to 1,490,043.24, 2,056,198.68 and 845,449.56

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Solution

The fourth proportional to 1,490,043.24, 2,056,198.68 and 845,449.56 is: 1,166,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,043.24 : 2,056,198.68 = 845,449.56 : x
  2. Step 2: Convert to fraction form
    1,490,043.24/2,056,198.68 = 845,449.56/x
  3. Step 3: Cross multiply
    1,490,043.24x = 2,056,198.68 × 845,449.56
  4. Step 4: Simplify right side
    1,490,043.24x = 1,738,412,269,278.58
  5. Step 5: Solve for x
    x = 1,738,412,269,278.58/1,490,043.24
  6. Step 6: Final answer
    x = 1,166,685.79

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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.