Home / 969,975.88-1,452,479.58-809,653.21

Finding the Fourth Proportional to 969,975.88, 1,452,479.58 and 809,653.21

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Solution

The fourth proportional to 969,975.88, 1,452,479.58 and 809,653.21 is: 1,212,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,975.88 : 1,452,479.58 = 809,653.21 : x
  2. Step 2: Convert to fraction form
    969,975.88/1,452,479.58 = 809,653.21/x
  3. Step 3: Cross multiply
    969,975.88x = 1,452,479.58 × 809,653.21
  4. Step 4: Simplify right side
    969,975.88x = 1,176,004,750,775.25
  5. Step 5: Solve for x
    x = 1,176,004,750,775.25/969,975.88
  6. Step 6: Final answer
    x = 1,212,406.18

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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.