Home / 1,270,729.08-1,753,593.50-689,939.44

Finding the Fourth Proportional to 1,270,729.08, 1,753,593.50 and 689,939.44

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Solution

The fourth proportional to 1,270,729.08, 1,753,593.50 and 689,939.44 is: 952,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,729.08 : 1,753,593.50 = 689,939.44 : x
  2. Step 2: Convert to fraction form
    1,270,729.08/1,753,593.50 = 689,939.44/x
  3. Step 3: Cross multiply
    1,270,729.08x = 1,753,593.50 × 689,939.44
  4. Step 4: Simplify right side
    1,270,729.08x = 1,209,873,314,718.50
  5. Step 5: Solve for x
    x = 1,209,873,314,718.50/1,270,729.08
  6. Step 6: Final answer
    x = 952,109.57

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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.