Home / 1,311,683.22-1,810,958.58-1,070,540.96

Finding the Fourth Proportional to 1,311,683.22, 1,810,958.58 and 1,070,540.96

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Solution

The fourth proportional to 1,311,683.22, 1,810,958.58 and 1,070,540.96 is: 1,478,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,683.22 : 1,810,958.58 = 1,070,540.96 : x
  2. Step 2: Convert to fraction form
    1,311,683.22/1,810,958.58 = 1,070,540.96/x
  3. Step 3: Cross multiply
    1,311,683.22x = 1,810,958.58 × 1,070,540.96
  4. Step 4: Simplify right side
    1,311,683.22x = 1,938,705,327,698.64
  5. Step 5: Solve for x
    x = 1,938,705,327,698.64/1,311,683.22
  6. Step 6: Final answer
    x = 1,478,028.61

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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.