Home / 1,392,995.46-2,089,493.19-919,569.90

Finding the Fourth Proportional to 1,392,995.46, 2,089,493.19 and 919,569.90

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Solution

The fourth proportional to 1,392,995.46, 2,089,493.19 and 919,569.90 is: 1,379,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,995.46 : 2,089,493.19 = 919,569.90 : x
  2. Step 2: Convert to fraction form
    1,392,995.46/2,089,493.19 = 919,569.90/x
  3. Step 3: Cross multiply
    1,392,995.46x = 2,089,493.19 × 919,569.90
  4. Step 4: Simplify right side
    1,392,995.46x = 1,921,435,043,778.98
  5. Step 5: Solve for x
    x = 1,921,435,043,778.98/1,392,995.46
  6. Step 6: Final answer
    x = 1,379,354.85

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Similar ratio
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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.