Home / 1,080,557.28-1,491,226.44-621,741.56

Finding the Fourth Proportional to 1,080,557.28, 1,491,226.44 and 621,741.56

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Solution

The fourth proportional to 1,080,557.28, 1,491,226.44 and 621,741.56 is: 858,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,557.28 : 1,491,226.44 = 621,741.56 : x
  2. Step 2: Convert to fraction form
    1,080,557.28/1,491,226.44 = 621,741.56/x
  3. Step 3: Cross multiply
    1,080,557.28x = 1,491,226.44 × 621,741.56
  4. Step 4: Simplify right side
    1,080,557.28x = 927,157,453,118.85
  5. Step 5: Solve for x
    x = 927,157,453,118.85/1,080,557.28
  6. Step 6: Final answer
    x = 858,036.38

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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.