Home / 1,011,397.60-1,517,317.94-380,311.42

Finding the Fourth Proportional to 1,011,397.60, 1,517,317.94 and 380,311.42

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Solution

The fourth proportional to 1,011,397.60, 1,517,317.94 and 380,311.42 is: 570,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,397.60 : 1,517,317.94 = 380,311.42 : x
  2. Step 2: Convert to fraction form
    1,011,397.60/1,517,317.94 = 380,311.42/x
  3. Step 3: Cross multiply
    1,011,397.60x = 1,517,317.94 × 380,311.42
  4. Step 4: Simplify right side
    1,011,397.60x = 577,053,340,352.88
  5. Step 5: Solve for x
    x = 577,053,340,352.88/1,011,397.60
  6. Step 6: Final answer
    x = 570,550.43

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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.