Home / 1,335,640.39-1,998,671.65-1,156,342.55

Finding the Fourth Proportional to 1,335,640.39, 1,998,671.65 and 1,156,342.55

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Solution

The fourth proportional to 1,335,640.39, 1,998,671.65 and 1,156,342.55 is: 1,730,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,640.39 : 1,998,671.65 = 1,156,342.55 : x
  2. Step 2: Convert to fraction form
    1,335,640.39/1,998,671.65 = 1,156,342.55/x
  3. Step 3: Cross multiply
    1,335,640.39x = 1,998,671.65 × 1,156,342.55
  4. Step 4: Simplify right side
    1,335,640.39x = 2,311,149,059,489.49
  5. Step 5: Solve for x
    x = 2,311,149,059,489.49/1,335,640.39
  6. Step 6: Final answer
    x = 1,730,367.76

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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.