Home / 1,288,851.99-1,778,381.22-744,788.35

Finding the Fourth Proportional to 1,288,851.99, 1,778,381.22 and 744,788.35

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Solution

The fourth proportional to 1,288,851.99, 1,778,381.22 and 744,788.35 is: 1,027,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,851.99 : 1,778,381.22 = 744,788.35 : x
  2. Step 2: Convert to fraction form
    1,288,851.99/1,778,381.22 = 744,788.35/x
  3. Step 3: Cross multiply
    1,288,851.99x = 1,778,381.22 × 744,788.35
  4. Step 4: Simplify right side
    1,288,851.99x = 1,324,517,614,514.79
  5. Step 5: Solve for x
    x = 1,324,517,614,514.79/1,288,851.99
  6. Step 6: Final answer
    x = 1,027,672.40

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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.