Home / 1,086,416.34-1,629,255.39-376,278.42

Finding the Fourth Proportional to 1,086,416.34, 1,629,255.39 and 376,278.42

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Solution

The fourth proportional to 1,086,416.34, 1,629,255.39 and 376,278.42 is: 564,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,416.34 : 1,629,255.39 = 376,278.42 : x
  2. Step 2: Convert to fraction form
    1,086,416.34/1,629,255.39 = 376,278.42/x
  3. Step 3: Cross multiply
    1,086,416.34x = 1,629,255.39 × 376,278.42
  4. Step 4: Simplify right side
    1,086,416.34x = 613,053,643,925.68
  5. Step 5: Solve for x
    x = 613,053,643,925.68/1,086,416.34
  6. Step 6: Final answer
    x = 564,289.79

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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.