Home / 1,728,945.03-2,385,847.09-965,047.80

Finding the Fourth Proportional to 1,728,945.03, 2,385,847.09 and 965,047.80

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Solution

The fourth proportional to 1,728,945.03, 2,385,847.09 and 965,047.80 is: 1,331,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,945.03 : 2,385,847.09 = 965,047.80 : x
  2. Step 2: Convert to fraction form
    1,728,945.03/2,385,847.09 = 965,047.80/x
  3. Step 3: Cross multiply
    1,728,945.03x = 2,385,847.09 × 965,047.80
  4. Step 4: Simplify right side
    1,728,945.03x = 2,302,456,480,515.66
  5. Step 5: Solve for x
    x = 2,302,456,480,515.66/1,728,945.03
  6. Step 6: Final answer
    x = 1,331,711.79

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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.