Home / 1,089,904.40-1,504,110.60-659,941.52

Finding the Fourth Proportional to 1,089,904.40, 1,504,110.60 and 659,941.52

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Solution

The fourth proportional to 1,089,904.40, 1,504,110.60 and 659,941.52 is: 910,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,904.40 : 1,504,110.60 = 659,941.52 : x
  2. Step 2: Convert to fraction form
    1,089,904.40/1,504,110.60 = 659,941.52/x
  3. Step 3: Cross multiply
    1,089,904.40x = 1,504,110.60 × 659,941.52
  4. Step 4: Simplify right side
    1,089,904.40x = 992,625,035,612.11
  5. Step 5: Solve for x
    x = 992,625,035,612.11/1,089,904.40
  6. Step 6: Final answer
    x = 910,745.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.