Home / 1,491,124.75-2,057,654.27-879,247.91

Finding the Fourth Proportional to 1,491,124.75, 2,057,654.27 and 879,247.91

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Solution

The fourth proportional to 1,491,124.75, 2,057,654.27 and 879,247.91 is: 1,213,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,124.75 : 2,057,654.27 = 879,247.91 : x
  2. Step 2: Convert to fraction form
    1,491,124.75/2,057,654.27 = 879,247.91/x
  3. Step 3: Cross multiply
    1,491,124.75x = 2,057,654.27 × 879,247.91
  4. Step 4: Simplify right side
    1,491,124.75x = 1,809,188,223,742.33
  5. Step 5: Solve for x
    x = 1,809,188,223,742.33/1,491,124.75
  6. Step 6: Final answer
    x = 1,213,304.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.