Home / 1,307,236.20-1,804,199.89-1,089,098.96

Finding the Fourth Proportional to 1,307,236.20, 1,804,199.89 and 1,089,098.96

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Solution

The fourth proportional to 1,307,236.20, 1,804,199.89 and 1,089,098.96 is: 1,503,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,236.20 : 1,804,199.89 = 1,089,098.96 : x
  2. Step 2: Convert to fraction form
    1,307,236.20/1,804,199.89 = 1,089,098.96/x
  3. Step 3: Cross multiply
    1,307,236.20x = 1,804,199.89 × 1,089,098.96
  4. Step 4: Simplify right side
    1,307,236.20x = 1,964,952,222,220.54
  5. Step 5: Solve for x
    x = 1,964,952,222,220.54/1,307,236.20
  6. Step 6: Final answer
    x = 1,503,134.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.