Home / 1,126,692.45-1,690,315.17-327,981.15

Finding the Fourth Proportional to 1,126,692.45, 1,690,315.17 and 327,981.15

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Solution

The fourth proportional to 1,126,692.45, 1,690,315.17 and 327,981.15 is: 492,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,692.45 : 1,690,315.17 = 327,981.15 : x
  2. Step 2: Convert to fraction form
    1,126,692.45/1,690,315.17 = 327,981.15/x
  3. Step 3: Cross multiply
    1,126,692.45x = 1,690,315.17 × 327,981.15
  4. Step 4: Simplify right side
    1,126,692.45x = 554,391,513,319.05
  5. Step 5: Solve for x
    x = 554,391,513,319.05/1,126,692.45
  6. Step 6: Final answer
    x = 492,052.21

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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.