Home / 1,022,725.87-1,534,310.25-391,639.69

Finding the Fourth Proportional to 1,022,725.87, 1,534,310.25 and 391,639.69

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Solution

The fourth proportional to 1,022,725.87, 1,534,310.25 and 391,639.69 is: 587,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,725.87 : 1,534,310.25 = 391,639.69 : x
  2. Step 2: Convert to fraction form
    1,022,725.87/1,534,310.25 = 391,639.69/x
  3. Step 3: Cross multiply
    1,022,725.87x = 1,534,310.25 × 391,639.69
  4. Step 4: Simplify right side
    1,022,725.87x = 600,896,790,673.82
  5. Step 5: Solve for x
    x = 600,896,790,673.82/1,022,725.87
  6. Step 6: Final answer
    x = 587,544.33

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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.