Home / 1,089,388.04-1,634,082.21-290,672.56

Finding the Fourth Proportional to 1,089,388.04, 1,634,082.21 and 290,672.56

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Solution

The fourth proportional to 1,089,388.04, 1,634,082.21 and 290,672.56 is: 436,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,388.04 : 1,634,082.21 = 290,672.56 : x
  2. Step 2: Convert to fraction form
    1,089,388.04/1,634,082.21 = 290,672.56/x
  3. Step 3: Cross multiply
    1,089,388.04x = 1,634,082.21 × 290,672.56
  4. Step 4: Simplify right side
    1,089,388.04x = 474,982,859,231.16
  5. Step 5: Solve for x
    x = 474,982,859,231.16/1,089,388.04
  6. Step 6: Final answer
    x = 436,008.88

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1.5x scale

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.