Home / 1,255,053.45-1,731,987.18-682,093.65

Finding the Fourth Proportional to 1,255,053.45, 1,731,987.18 and 682,093.65

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Solution

The fourth proportional to 1,255,053.45, 1,731,987.18 and 682,093.65 is: 941,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,053.45 : 1,731,987.18 = 682,093.65 : x
  2. Step 2: Convert to fraction form
    1,255,053.45/1,731,987.18 = 682,093.65/x
  3. Step 3: Cross multiply
    1,255,053.45x = 1,731,987.18 × 682,093.65
  4. Step 4: Simplify right side
    1,255,053.45x = 1,181,377,457,359.41
  5. Step 5: Solve for x
    x = 1,181,377,457,359.41/1,255,053.45
  6. Step 6: Final answer
    x = 941,296.53

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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.