Home / 1,263,145.56-1,744,305-811,223.88

Finding the Fourth Proportional to 1,263,145.56, 1,744,305 and 811,223.88

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Solution

The fourth proportional to 1,263,145.56, 1,744,305 and 811,223.88 is: 1,120,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,145.56 : 1,744,305 = 811,223.88 : x
  2. Step 2: Convert to fraction form
    1,263,145.56/1,744,305 = 811,223.88/x
  3. Step 3: Cross multiply
    1,263,145.56x = 1,744,305 × 811,223.88
  4. Step 4: Simplify right side
    1,263,145.56x = 1,415,021,870,003.40
  5. Step 5: Solve for x
    x = 1,415,021,870,003.40/1,263,145.56
  6. Step 6: Final answer
    x = 1,120,236.59

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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.