Home / 1,446,989.06-2,170,794.64-487,540

Finding the Fourth Proportional to 1,446,989.06, 2,170,794.64 and 487,540

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Solution

The fourth proportional to 1,446,989.06, 2,170,794.64 and 487,540 is: 731,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,989.06 : 2,170,794.64 = 487,540 : x
  2. Step 2: Convert to fraction form
    1,446,989.06/2,170,794.64 = 487,540/x
  3. Step 3: Cross multiply
    1,446,989.06x = 2,170,794.64 × 487,540
  4. Step 4: Simplify right side
    1,446,989.06x = 1,058,349,218,785.60
  5. Step 5: Solve for x
    x = 1,058,349,218,785.60/1,446,989.06
  6. Step 6: Final answer
    x = 731,414.80

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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.