Home / 1,138,225.87-1,708,022.23-454,990.67

Finding the Fourth Proportional to 1,138,225.87, 1,708,022.23 and 454,990.67

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Solution

The fourth proportional to 1,138,225.87, 1,708,022.23 and 454,990.67 is: 682,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,225.87 : 1,708,022.23 = 454,990.67 : x
  2. Step 2: Convert to fraction form
    1,138,225.87/1,708,022.23 = 454,990.67/x
  3. Step 3: Cross multiply
    1,138,225.87x = 1,708,022.23 × 454,990.67
  4. Step 4: Simplify right side
    1,138,225.87x = 777,134,175,530.09
  5. Step 5: Solve for x
    x = 777,134,175,530.09/1,138,225.87
  6. Step 6: Final answer
    x = 682,759.19

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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.