Home / 1,425,299.85-2,138,012.05-414,399.42

Finding the Fourth Proportional to 1,425,299.85, 2,138,012.05 and 414,399.42

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Solution

The fourth proportional to 1,425,299.85, 2,138,012.05 and 414,399.42 is: 621,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,299.85 : 2,138,012.05 = 414,399.42 : x
  2. Step 2: Convert to fraction form
    1,425,299.85/2,138,012.05 = 414,399.42/x
  3. Step 3: Cross multiply
    1,425,299.85x = 2,138,012.05 × 414,399.42
  4. Step 4: Simplify right side
    1,425,299.85x = 885,990,962,770.00
  5. Step 5: Solve for x
    x = 885,990,962,770.00/1,425,299.85
  6. Step 6: Final answer
    x = 621,617.24

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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.