Home / 1,160,168.20-1,738,178.70-994,280.20

Finding the Fourth Proportional to 1,160,168.20, 1,738,178.70 and 994,280.20

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Solution

The fourth proportional to 1,160,168.20, 1,738,178.70 and 994,280.20 is: 1,489,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,168.20 : 1,738,178.70 = 994,280.20 : x
  2. Step 2: Convert to fraction form
    1,160,168.20/1,738,178.70 = 994,280.20/x
  3. Step 3: Cross multiply
    1,160,168.20x = 1,738,178.70 × 994,280.20
  4. Step 4: Simplify right side
    1,160,168.20x = 1,728,236,665,471.74
  5. Step 5: Solve for x
    x = 1,728,236,665,471.74/1,160,168.20
  6. Step 6: Final answer
    x = 1,489,643.20

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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.