Home / 1,245,452.27-1,718,683.45-786,811.03

Finding the Fourth Proportional to 1,245,452.27, 1,718,683.45 and 786,811.03

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Solution

The fourth proportional to 1,245,452.27, 1,718,683.45 and 786,811.03 is: 1,085,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,452.27 : 1,718,683.45 = 786,811.03 : x
  2. Step 2: Convert to fraction form
    1,245,452.27/1,718,683.45 = 786,811.03/x
  3. Step 3: Cross multiply
    1,245,452.27x = 1,718,683.45 × 786,811.03
  4. Step 4: Simplify right side
    1,245,452.27x = 1,352,279,089,274.72
  5. Step 5: Solve for x
    x = 1,352,279,089,274.72/1,245,452.27
  6. Step 6: Final answer
    x = 1,085,773.52

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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.