Home / 1,242,002.55-1,863,003.83-1,234,129.35

Finding the Fourth Proportional to 1,242,002.55, 1,863,003.83 and 1,234,129.35

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Solution

The fourth proportional to 1,242,002.55, 1,863,003.83 and 1,234,129.35 is: 1,851,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,002.55 : 1,863,003.83 = 1,234,129.35 : x
  2. Step 2: Convert to fraction form
    1,242,002.55/1,863,003.83 = 1,234,129.35/x
  3. Step 3: Cross multiply
    1,242,002.55x = 1,863,003.83 × 1,234,129.35
  4. Step 4: Simplify right side
    1,242,002.55x = 2,299,187,699,594.76
  5. Step 5: Solve for x
    x = 2,299,187,699,594.76/1,242,002.55
  6. Step 6: Final answer
    x = 1,851,194.03

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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.