Home / 1,361,493.70-2,042,021.85-414,644.20

Finding the Fourth Proportional to 1,361,493.70, 2,042,021.85 and 414,644.20

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Solution

The fourth proportional to 1,361,493.70, 2,042,021.85 and 414,644.20 is: 621,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,493.70 : 2,042,021.85 = 414,644.20 : x
  2. Step 2: Convert to fraction form
    1,361,493.70/2,042,021.85 = 414,644.20/x
  3. Step 3: Cross multiply
    1,361,493.70x = 2,042,021.85 × 414,644.20
  4. Step 4: Simplify right side
    1,361,493.70x = 846,712,516,375.77
  5. Step 5: Solve for x
    x = 846,712,516,375.77/1,361,493.70
  6. Step 6: Final answer
    x = 621,899.69

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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.