Home / 1,089,230.40-1,632,679.20-490,089.60

Finding the Fourth Proportional to 1,089,230.40, 1,632,679.20 and 490,089.60

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Solution

The fourth proportional to 1,089,230.40, 1,632,679.20 and 490,089.60 is: 734,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,230.40 : 1,632,679.20 = 490,089.60 : x
  2. Step 2: Convert to fraction form
    1,089,230.40/1,632,679.20 = 490,089.60/x
  3. Step 3: Cross multiply
    1,089,230.40x = 1,632,679.20 × 490,089.60
  4. Step 4: Simplify right side
    1,089,230.40x = 800,159,096,056.32
  5. Step 5: Solve for x
    x = 800,159,096,056.32/1,089,230.40
  6. Step 6: Final answer
    x = 734,609.59

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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.