Home / 1,089,764.20-1,634,531.10-341,770.60

Finding the Fourth Proportional to 1,089,764.20, 1,634,531.10 and 341,770.60

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Solution

The fourth proportional to 1,089,764.20, 1,634,531.10 and 341,770.60 is: 512,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,764.20 : 1,634,531.10 = 341,770.60 : x
  2. Step 2: Convert to fraction form
    1,089,764.20/1,634,531.10 = 341,770.60/x
  3. Step 3: Cross multiply
    1,089,764.20x = 1,634,531.10 × 341,770.60
  4. Step 4: Simplify right side
    1,089,764.20x = 558,634,674,765.66
  5. Step 5: Solve for x
    x = 558,634,674,765.66/1,089,764.20
  6. Step 6: Final answer
    x = 512,619.77

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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.