Home / 1,242,597.98-1,864,288.20-443,861.84

Finding the Fourth Proportional to 1,242,597.98, 1,864,288.20 and 443,861.84

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Solution

The fourth proportional to 1,242,597.98, 1,864,288.20 and 443,861.84 is: 665,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,597.98 : 1,864,288.20 = 443,861.84 : x
  2. Step 2: Convert to fraction form
    1,242,597.98/1,864,288.20 = 443,861.84/x
  3. Step 3: Cross multiply
    1,242,597.98x = 1,864,288.20 × 443,861.84
  4. Step 4: Simplify right side
    1,242,597.98x = 827,486,390,742.29
  5. Step 5: Solve for x
    x = 827,486,390,742.29/1,242,597.98
  6. Step 6: Final answer
    x = 665,932.51

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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.