Home / 1,408,452.58-2,112,700.77-343,514.80

Finding the Fourth Proportional to 1,408,452.58, 2,112,700.77 and 343,514.80

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Solution

The fourth proportional to 1,408,452.58, 2,112,700.77 and 343,514.80 is: 515,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,452.58 : 2,112,700.77 = 343,514.80 : x
  2. Step 2: Convert to fraction form
    1,408,452.58/2,112,700.77 = 343,514.80/x
  3. Step 3: Cross multiply
    1,408,452.58x = 2,112,700.77 × 343,514.80
  4. Step 4: Simplify right side
    1,408,452.58x = 725,743,977,184.64
  5. Step 5: Solve for x
    x = 725,743,977,184.64/1,408,452.58
  6. Step 6: Final answer
    x = 515,277.54

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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.