Home / 1,890,490.20-2,835,735.30-628,512.60

Finding the Fourth Proportional to 1,890,490.20, 2,835,735.30 and 628,512.60

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Solution

The fourth proportional to 1,890,490.20, 2,835,735.30 and 628,512.60 is: 942,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,490.20 : 2,835,735.30 = 628,512.60 : x
  2. Step 2: Convert to fraction form
    1,890,490.20/2,835,735.30 = 628,512.60/x
  3. Step 3: Cross multiply
    1,890,490.20x = 2,835,735.30 × 628,512.60
  4. Step 4: Simplify right side
    1,890,490.20x = 1,782,295,366,314.78
  5. Step 5: Solve for x
    x = 1,782,295,366,314.78/1,890,490.20
  6. Step 6: Final answer
    x = 942,768.90

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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.