Home / 1,327,118.91-1,990,354.83-367,549.57

Finding the Fourth Proportional to 1,327,118.91, 1,990,354.83 and 367,549.57

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Solution

The fourth proportional to 1,327,118.91, 1,990,354.83 and 367,549.57 is: 551,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,118.91 : 1,990,354.83 = 367,549.57 : x
  2. Step 2: Convert to fraction form
    1,327,118.91/1,990,354.83 = 367,549.57/x
  3. Step 3: Cross multiply
    1,327,118.91x = 1,990,354.83 × 367,549.57
  4. Step 4: Simplify right side
    1,327,118.91x = 731,554,070,688.90
  5. Step 5: Solve for x
    x = 731,554,070,688.90/1,327,118.91
  6. Step 6: Final answer
    x = 551,234.76

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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.