Home / 2,286,287.42-3,429,431.20-769,843.40

Finding the Fourth Proportional to 2,286,287.42, 3,429,431.20 and 769,843.40

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Solution

The fourth proportional to 2,286,287.42, 3,429,431.20 and 769,843.40 is: 1,154,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,287.42 : 3,429,431.20 = 769,843.40 : x
  2. Step 2: Convert to fraction form
    2,286,287.42/3,429,431.20 = 769,843.40/x
  3. Step 3: Cross multiply
    2,286,287.42x = 3,429,431.20 × 769,843.40
  4. Step 4: Simplify right side
    2,286,287.42x = 2,640,124,975,074.08
  5. Step 5: Solve for x
    x = 2,640,124,975,074.08/2,286,287.42
  6. Step 6: Final answer
    x = 1,154,765.12

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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.