Home / 969,490.91-1,450,185.39-681,281.67

Finding the Fourth Proportional to 969,490.91, 1,450,185.39 and 681,281.67

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Solution

The fourth proportional to 969,490.91, 1,450,185.39 and 681,281.67 is: 1,019,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,490.91 : 1,450,185.39 = 681,281.67 : x
  2. Step 2: Convert to fraction form
    969,490.91/1,450,185.39 = 681,281.67/x
  3. Step 3: Cross multiply
    969,490.91x = 1,450,185.39 × 681,281.67
  4. Step 4: Simplify right side
    969,490.91x = 987,984,717,057.87
  5. Step 5: Solve for x
    x = 987,984,717,057.87/969,490.91
  6. Step 6: Final answer
    x = 1,019,075.80

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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.