Home / 1,408,149.83-2,111,381.22-448,190.78

Finding the Fourth Proportional to 1,408,149.83, 2,111,381.22 and 448,190.78

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Solution

The fourth proportional to 1,408,149.83, 2,111,381.22 and 448,190.78 is: 672,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,149.83 : 2,111,381.22 = 448,190.78 : x
  2. Step 2: Convert to fraction form
    1,408,149.83/2,111,381.22 = 448,190.78/x
  3. Step 3: Cross multiply
    1,408,149.83x = 2,111,381.22 × 448,190.78
  4. Step 4: Simplify right side
    1,408,149.83x = 946,301,595,869.15
  5. Step 5: Solve for x
    x = 946,301,595,869.15/1,408,149.83
  6. Step 6: Final answer
    x = 672,017.69

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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.