Home / 1,420,519.21-2,131,093.67-409,562.26

Finding the Fourth Proportional to 1,420,519.21, 2,131,093.67 and 409,562.26

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Solution

The fourth proportional to 1,420,519.21, 2,131,093.67 and 409,562.26 is: 614,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,519.21 : 2,131,093.67 = 409,562.26 : x
  2. Step 2: Convert to fraction form
    1,420,519.21/2,131,093.67 = 409,562.26/x
  3. Step 3: Cross multiply
    1,420,519.21x = 2,131,093.67 × 409,562.26
  4. Step 4: Simplify right side
    1,420,519.21x = 872,815,532,381.35
  5. Step 5: Solve for x
    x = 872,815,532,381.35/1,420,519.21
  6. Step 6: Final answer
    x = 614,434.16

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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.