Home / 1,446,989.05-2,170,794.63-487,540

Finding the Fourth Proportional to 1,446,989.05, 2,170,794.63 and 487,540

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Solution

The fourth proportional to 1,446,989.05, 2,170,794.63 and 487,540 is: 731,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,989.05 : 2,170,794.63 = 487,540 : x
  2. Step 2: Convert to fraction form
    1,446,989.05/2,170,794.63 = 487,540/x
  3. Step 3: Cross multiply
    1,446,989.05x = 2,170,794.63 × 487,540
  4. Step 4: Simplify right side
    1,446,989.05x = 1,058,349,213,910.20
  5. Step 5: Solve for x
    x = 1,058,349,213,910.20/1,446,989.05
  6. Step 6: Final answer
    x = 731,414.81

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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.