Home / 1,089,471.49-1,635,231.11-570,519.20

Finding the Fourth Proportional to 1,089,471.49, 1,635,231.11 and 570,519.20

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Solution

The fourth proportional to 1,089,471.49, 1,635,231.11 and 570,519.20 is: 856,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,471.49 : 1,635,231.11 = 570,519.20 : x
  2. Step 2: Convert to fraction form
    1,089,471.49/1,635,231.11 = 570,519.20/x
  3. Step 3: Cross multiply
    1,089,471.49x = 1,635,231.11 × 570,519.20
  4. Step 4: Simplify right side
    1,089,471.49x = 932,930,744,692.31
  5. Step 5: Solve for x
    x = 932,930,744,692.31/1,089,471.49
  6. Step 6: Final answer
    x = 856,314.97

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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.