Home / 1,011,404.43-1,517,328.27-380,318.31

Finding the Fourth Proportional to 1,011,404.43, 1,517,328.27 and 380,318.31

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Solution

The fourth proportional to 1,011,404.43, 1,517,328.27 and 380,318.31 is: 570,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,404.43 : 1,517,328.27 = 380,318.31 : x
  2. Step 2: Convert to fraction form
    1,011,404.43/1,517,328.27 = 380,318.31/x
  3. Step 3: Cross multiply
    1,011,404.43x = 1,517,328.27 × 380,318.31
  4. Step 4: Simplify right side
    1,011,404.43x = 577,067,723,361.62
  5. Step 5: Solve for x
    x = 577,067,723,361.62/1,011,404.43
  6. Step 6: Final answer
    x = 570,560.80

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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.