Home / 1,089,810.20-1,634,724.58-379,837.10

Finding the Fourth Proportional to 1,089,810.20, 1,634,724.58 and 379,837.10

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Solution

The fourth proportional to 1,089,810.20, 1,634,724.58 and 379,837.10 is: 569,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,810.20 : 1,634,724.58 = 379,837.10 : x
  2. Step 2: Convert to fraction form
    1,089,810.20/1,634,724.58 = 379,837.10/x
  3. Step 3: Cross multiply
    1,089,810.20x = 1,634,724.58 × 379,837.10
  4. Step 4: Simplify right side
    1,089,810.20x = 620,929,043,765.92
  5. Step 5: Solve for x
    x = 620,929,043,765.92/1,089,810.20
  6. Step 6: Final answer
    x = 569,758.88

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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.