Home / 1,011,397.68-1,517,318.15-380,311.56

Finding the Fourth Proportional to 1,011,397.68, 1,517,318.15 and 380,311.56

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Solution

The fourth proportional to 1,011,397.68, 1,517,318.15 and 380,311.56 is: 570,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,397.68 : 1,517,318.15 = 380,311.56 : x
  2. Step 2: Convert to fraction form
    1,011,397.68/1,517,318.15 = 380,311.56/x
  3. Step 3: Cross multiply
    1,011,397.68x = 1,517,318.15 × 380,311.56
  4. Step 4: Simplify right side
    1,011,397.68x = 577,053,630,741.26
  5. Step 5: Solve for x
    x = 577,053,630,741.26/1,011,397.68
  6. Step 6: Final answer
    x = 570,550.68

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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.