Home / 1,336,161.80-2,004,029.46-389,311.08

Finding the Fourth Proportional to 1,336,161.80, 2,004,029.46 and 389,311.08

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Solution

The fourth proportional to 1,336,161.80, 2,004,029.46 and 389,311.08 is: 583,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,161.80 : 2,004,029.46 = 389,311.08 : x
  2. Step 2: Convert to fraction form
    1,336,161.80/2,004,029.46 = 389,311.08/x
  3. Step 3: Cross multiply
    1,336,161.80x = 2,004,029.46 × 389,311.08
  4. Step 4: Simplify right side
    1,336,161.80x = 780,190,873,424.42
  5. Step 5: Solve for x
    x = 780,190,873,424.42/1,336,161.80
  6. Step 6: Final answer
    x = 583,904.49

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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.