Home / 1,080,037.80-1,491,874.20-828,493.92

Finding the Fourth Proportional to 1,080,037.80, 1,491,874.20 and 828,493.92

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Solution

The fourth proportional to 1,080,037.80, 1,491,874.20 and 828,493.92 is: 1,144,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,037.80 : 1,491,874.20 = 828,493.92 : x
  2. Step 2: Convert to fraction form
    1,080,037.80/1,491,874.20 = 828,493.92/x
  3. Step 3: Cross multiply
    1,080,037.80x = 1,491,874.20 × 828,493.92
  4. Step 4: Simplify right side
    1,080,037.80x = 1,236,008,704,104.86
  5. Step 5: Solve for x
    x = 1,236,008,704,104.86/1,080,037.80
  6. Step 6: Final answer
    x = 1,144,412.45

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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.