Home / 1,099,407.12-1,649,087.33-300,688.68

Finding the Fourth Proportional to 1,099,407.12, 1,649,087.33 and 300,688.68

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Solution

The fourth proportional to 1,099,407.12, 1,649,087.33 and 300,688.68 is: 451,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,407.12 : 1,649,087.33 = 300,688.68 : x
  2. Step 2: Convert to fraction form
    1,099,407.12/1,649,087.33 = 300,688.68/x
  3. Step 3: Cross multiply
    1,099,407.12x = 1,649,087.33 × 300,688.68
  4. Step 4: Simplify right side
    1,099,407.12x = 495,861,890,958.98
  5. Step 5: Solve for x
    x = 495,861,890,958.98/1,099,407.12
  6. Step 6: Final answer
    x = 451,026.63

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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.