Home / 1,299,741.32-1,948,861.55-400,941.73

Finding the Fourth Proportional to 1,299,741.32, 1,948,861.55 and 400,941.73

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Solution

The fourth proportional to 1,299,741.32, 1,948,861.55 and 400,941.73 is: 601,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,741.32 : 1,948,861.55 = 400,941.73 : x
  2. Step 2: Convert to fraction form
    1,299,741.32/1,948,861.55 = 400,941.73/x
  3. Step 3: Cross multiply
    1,299,741.32x = 1,948,861.55 × 400,941.73
  4. Step 4: Simplify right side
    1,299,741.32x = 781,379,924,825.91
  5. Step 5: Solve for x
    x = 781,379,924,825.91/1,299,741.32
  6. Step 6: Final answer
    x = 601,181.11

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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.