Home / 1,255,053.70-1,731,987.53-682,093.90

Finding the Fourth Proportional to 1,255,053.70, 1,731,987.53 and 682,093.90

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Solution

The fourth proportional to 1,255,053.70, 1,731,987.53 and 682,093.90 is: 941,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,053.70 : 1,731,987.53 = 682,093.90 : x
  2. Step 2: Convert to fraction form
    1,255,053.70/1,731,987.53 = 682,093.90/x
  3. Step 3: Cross multiply
    1,255,053.70x = 1,731,987.53 × 682,093.90
  4. Step 4: Simplify right side
    1,255,053.70x = 1,181,378,129,089.07
  5. Step 5: Solve for x
    x = 1,181,378,129,089.07/1,255,053.70
  6. Step 6: Final answer
    x = 941,296.88

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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.