Home / 746,723.10-1,120,084.65-681,769.20

Finding the Fourth Proportional to 746,723.10, 1,120,084.65 and 681,769.20

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Solution

The fourth proportional to 746,723.10, 1,120,084.65 and 681,769.20 is: 1,022,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,723.10 : 1,120,084.65 = 681,769.20 : x
  2. Step 2: Convert to fraction form
    746,723.10/1,120,084.65 = 681,769.20/x
  3. Step 3: Cross multiply
    746,723.10x = 1,120,084.65 × 681,769.20
  4. Step 4: Simplify right side
    746,723.10x = 763,639,215,762.78
  5. Step 5: Solve for x
    x = 763,639,215,762.78/746,723.10
  6. Step 6: Final answer
    x = 1,022,653.80

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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.