Home / 1,236,939.12-1,855,317.96-395,264.88

Finding the Fourth Proportional to 1,236,939.12, 1,855,317.96 and 395,264.88

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Solution

The fourth proportional to 1,236,939.12, 1,855,317.96 and 395,264.88 is: 592,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,939.12 : 1,855,317.96 = 395,264.88 : x
  2. Step 2: Convert to fraction form
    1,236,939.12/1,855,317.96 = 395,264.88/x
  3. Step 3: Cross multiply
    1,236,939.12x = 1,855,317.96 × 395,264.88
  4. Step 4: Simplify right side
    1,236,939.12x = 733,342,030,821.25
  5. Step 5: Solve for x
    x = 733,342,030,821.25/1,236,939.12
  6. Step 6: Final answer
    x = 592,868.33

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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.