Home / 1,305,759.36-1,801,961.28-724,992

Finding the Fourth Proportional to 1,305,759.36, 1,801,961.28 and 724,992

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Solution

The fourth proportional to 1,305,759.36, 1,801,961.28 and 724,992 is: 1,000,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,759.36 : 1,801,961.28 = 724,992 : x
  2. Step 2: Convert to fraction form
    1,305,759.36/1,801,961.28 = 724,992/x
  3. Step 3: Cross multiply
    1,305,759.36x = 1,801,961.28 × 724,992
  4. Step 4: Simplify right side
    1,305,759.36x = 1,306,407,512,309.76
  5. Step 5: Solve for x
    x = 1,306,407,512,309.76/1,305,759.36
  6. Step 6: Final answer
    x = 1,000,496.38

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Double scale
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1.5x scale

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.