Home / 1,568,007.20-2,348,900.40-856,992.80

Finding the Fourth Proportional to 1,568,007.20, 2,348,900.40 and 856,992.80

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Solution

The fourth proportional to 1,568,007.20, 2,348,900.40 and 856,992.80 is: 1,283,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,007.20 : 2,348,900.40 = 856,992.80 : x
  2. Step 2: Convert to fraction form
    1,568,007.20/2,348,900.40 = 856,992.80/x
  3. Step 3: Cross multiply
    1,568,007.20x = 2,348,900.40 × 856,992.80
  4. Step 4: Simplify right side
    1,568,007.20x = 2,012,990,730,717.12
  5. Step 5: Solve for x
    x = 2,012,990,730,717.12/1,568,007.20
  6. Step 6: Final answer
    x = 1,283,789.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.