Home / 1,239,640.20-1,860,553.80-733,568.40

Finding the Fourth Proportional to 1,239,640.20, 1,860,553.80 and 733,568.40

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Solution

The fourth proportional to 1,239,640.20, 1,860,553.80 and 733,568.40 is: 1,100,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,640.20 : 1,860,553.80 = 733,568.40 : x
  2. Step 2: Convert to fraction form
    1,239,640.20/1,860,553.80 = 733,568.40/x
  3. Step 3: Cross multiply
    1,239,640.20x = 1,860,553.80 × 733,568.40
  4. Step 4: Simplify right side
    1,239,640.20x = 1,364,843,474,179.92
  5. Step 5: Solve for x
    x = 1,364,843,474,179.92/1,239,640.20
  6. Step 6: Final answer
    x = 1,100,999.69

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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.