Home / 1,242,493.56-1,863,742.77-343,937.88

Finding the Fourth Proportional to 1,242,493.56, 1,863,742.77 and 343,937.88

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Solution

The fourth proportional to 1,242,493.56, 1,863,742.77 and 343,937.88 is: 515,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,493.56 : 1,863,742.77 = 343,937.88 : x
  2. Step 2: Convert to fraction form
    1,242,493.56/1,863,742.77 = 343,937.88/x
  3. Step 3: Cross multiply
    1,242,493.56x = 1,863,742.77 × 343,937.88
  4. Step 4: Simplify right side
    1,242,493.56x = 641,011,737,179.13
  5. Step 5: Solve for x
    x = 641,011,737,179.13/1,242,493.56
  6. Step 6: Final answer
    x = 515,907.49

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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.