Home / 1,987,748.40-2,981,622.60-658,052.40

Finding the Fourth Proportional to 1,987,748.40, 2,981,622.60 and 658,052.40

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Solution

The fourth proportional to 1,987,748.40, 2,981,622.60 and 658,052.40 is: 987,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,748.40 : 2,981,622.60 = 658,052.40 : x
  2. Step 2: Convert to fraction form
    1,987,748.40/2,981,622.60 = 658,052.40/x
  3. Step 3: Cross multiply
    1,987,748.40x = 2,981,622.60 × 658,052.40
  4. Step 4: Simplify right side
    1,987,748.40x = 1,962,063,907,824.24
  5. Step 5: Solve for x
    x = 1,962,063,907,824.24/1,987,748.40
  6. Step 6: Final answer
    x = 987,078.60

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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.