Home / 1,255,181.37-1,732,161.71-682,222.91

Finding the Fourth Proportional to 1,255,181.37, 1,732,161.71 and 682,222.91

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Solution

The fourth proportional to 1,255,181.37, 1,732,161.71 and 682,222.91 is: 941,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,181.37 : 1,732,161.71 = 682,222.91 : x
  2. Step 2: Convert to fraction form
    1,255,181.37/1,732,161.71 = 682,222.91/x
  3. Step 3: Cross multiply
    1,255,181.37x = 1,732,161.71 × 682,222.91
  4. Step 4: Simplify right side
    1,255,181.37x = 1,181,720,395,431.52
  5. Step 5: Solve for x
    x = 1,181,720,395,431.52/1,255,181.37
  6. Step 6: Final answer
    x = 941,473.82

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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.