Home / 896,736.80-1,345,105.20-660,540.80

Finding the Fourth Proportional to 896,736.80, 1,345,105.20 and 660,540.80

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Solution

The fourth proportional to 896,736.80, 1,345,105.20 and 660,540.80 is: 990,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,736.80 : 1,345,105.20 = 660,540.80 : x
  2. Step 2: Convert to fraction form
    896,736.80/1,345,105.20 = 660,540.80/x
  3. Step 3: Cross multiply
    896,736.80x = 1,345,105.20 × 660,540.80
  4. Step 4: Simplify right side
    896,736.80x = 888,496,864,892.16
  5. Step 5: Solve for x
    x = 888,496,864,892.16/896,736.80
  6. Step 6: Final answer
    x = 990,811.20

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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.