Home / 1,332,680.52-1,999,019.22-434,120.82

Finding the Fourth Proportional to 1,332,680.52, 1,999,019.22 and 434,120.82

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Solution

The fourth proportional to 1,332,680.52, 1,999,019.22 and 434,120.82 is: 651,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,680.52 : 1,999,019.22 = 434,120.82 : x
  2. Step 2: Convert to fraction form
    1,332,680.52/1,999,019.22 = 434,120.82/x
  3. Step 3: Cross multiply
    1,332,680.52x = 1,999,019.22 × 434,120.82
  4. Step 4: Simplify right side
    1,332,680.52x = 867,815,862,982.16
  5. Step 5: Solve for x
    x = 867,815,862,982.16/1,332,680.52
  6. Step 6: Final answer
    x = 651,180.72

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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.