Home / 1,011,645.40-1,517,249.40-443,025.40

Finding the Fourth Proportional to 1,011,645.40, 1,517,249.40 and 443,025.40

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Solution

The fourth proportional to 1,011,645.40, 1,517,249.40 and 443,025.40 is: 664,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,645.40 : 1,517,249.40 = 443,025.40 : x
  2. Step 2: Convert to fraction form
    1,011,645.40/1,517,249.40 = 443,025.40/x
  3. Step 3: Cross multiply
    1,011,645.40x = 1,517,249.40 × 443,025.40
  4. Step 4: Simplify right side
    1,011,645.40x = 672,180,022,334.76
  5. Step 5: Solve for x
    x = 672,180,022,334.76/1,011,645.40
  6. Step 6: Final answer
    x = 664,442.33

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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.