Home / 1,446,615.21-2,170,344.15-647,709.91

Finding the Fourth Proportional to 1,446,615.21, 2,170,344.15 and 647,709.91

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Solution

The fourth proportional to 1,446,615.21, 2,170,344.15 and 647,709.91 is: 971,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,615.21 : 2,170,344.15 = 647,709.91 : x
  2. Step 2: Convert to fraction form
    1,446,615.21/2,170,344.15 = 647,709.91/x
  3. Step 3: Cross multiply
    1,446,615.21x = 2,170,344.15 × 647,709.91
  4. Step 4: Simplify right side
    1,446,615.21x = 1,405,753,414,065.53
  5. Step 5: Solve for x
    x = 1,405,753,414,065.53/1,446,615.21
  6. Step 6: Final answer
    x = 971,753.51

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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.