Home / 1,089,234.40-1,632,685.20-490,093.60

Finding the Fourth Proportional to 1,089,234.40, 1,632,685.20 and 490,093.60

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Solution

The fourth proportional to 1,089,234.40, 1,632,685.20 and 490,093.60 is: 734,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,234.40 : 1,632,685.20 = 490,093.60 : x
  2. Step 2: Convert to fraction form
    1,089,234.40/1,632,685.20 = 490,093.60/x
  3. Step 3: Cross multiply
    1,089,234.40x = 1,632,685.20 × 490,093.60
  4. Step 4: Simplify right side
    1,089,234.40x = 800,168,567,334.72
  5. Step 5: Solve for x
    x = 800,168,567,334.72/1,089,234.40
  6. Step 6: Final answer
    x = 734,615.59

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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.