Home / 1,489,793.80-2,234,517.90-425,000.20

Finding the Fourth Proportional to 1,489,793.80, 2,234,517.90 and 425,000.20

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Solution

The fourth proportional to 1,489,793.80, 2,234,517.90 and 425,000.20 is: 637,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,793.80 : 2,234,517.90 = 425,000.20 : x
  2. Step 2: Convert to fraction form
    1,489,793.80/2,234,517.90 = 425,000.20/x
  3. Step 3: Cross multiply
    1,489,793.80x = 2,234,517.90 × 425,000.20
  4. Step 4: Simplify right side
    1,489,793.80x = 949,670,554,403.58
  5. Step 5: Solve for x
    x = 949,670,554,403.58/1,489,793.80
  6. Step 6: Final answer
    x = 637,451.00

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1.5x scale

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.