Home / 1,680,213.60-2,519,665.20-732,938.40

Finding the Fourth Proportional to 1,680,213.60, 2,519,665.20 and 732,938.40

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Solution

The fourth proportional to 1,680,213.60, 2,519,665.20 and 732,938.40 is: 1,099,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,213.60 : 2,519,665.20 = 732,938.40 : x
  2. Step 2: Convert to fraction form
    1,680,213.60/2,519,665.20 = 732,938.40/x
  3. Step 3: Cross multiply
    1,680,213.60x = 2,519,665.20 × 732,938.40
  4. Step 4: Simplify right side
    1,680,213.60x = 1,846,759,380,223.68
  5. Step 5: Solve for x
    x = 1,846,759,380,223.68/1,680,213.60
  6. Step 6: Final answer
    x = 1,099,121.79

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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.