Home / 1,080,939.89-1,621,476.69-361,346.34

Finding the Fourth Proportional to 1,080,939.89, 1,621,476.69 and 361,346.34

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Solution

The fourth proportional to 1,080,939.89, 1,621,476.69 and 361,346.34 is: 542,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,939.89 : 1,621,476.69 = 361,346.34 : x
  2. Step 2: Convert to fraction form
    1,080,939.89/1,621,476.69 = 361,346.34/x
  3. Step 3: Cross multiply
    1,080,939.89x = 1,621,476.69 × 361,346.34
  4. Step 4: Simplify right side
    1,080,939.89x = 585,914,667,326.82
  5. Step 5: Solve for x
    x = 585,914,667,326.82/1,080,939.89
  6. Step 6: Final answer
    x = 542,041.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.