Home / 1,108,180.82-1,662,365.52-349,819.40

Finding the Fourth Proportional to 1,108,180.82, 1,662,365.52 and 349,819.40

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Solution

The fourth proportional to 1,108,180.82, 1,662,365.52 and 349,819.40 is: 524,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,180.82 : 1,662,365.52 = 349,819.40 : x
  2. Step 2: Convert to fraction form
    1,108,180.82/1,662,365.52 = 349,819.40/x
  3. Step 3: Cross multiply
    1,108,180.82x = 1,662,365.52 × 349,819.40
  4. Step 4: Simplify right side
    1,108,180.82x = 581,527,708,787.09
  5. Step 5: Solve for x
    x = 581,527,708,787.09/1,108,180.82
  6. Step 6: Final answer
    x = 524,758.86

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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.