Home / 1,440,736.16-1,988,162.40-796,142.96

Finding the Fourth Proportional to 1,440,736.16, 1,988,162.40 and 796,142.96

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Solution

The fourth proportional to 1,440,736.16, 1,988,162.40 and 796,142.96 is: 1,098,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,736.16 : 1,988,162.40 = 796,142.96 : x
  2. Step 2: Convert to fraction form
    1,440,736.16/1,988,162.40 = 796,142.96/x
  3. Step 3: Cross multiply
    1,440,736.16x = 1,988,162.40 × 796,142.96
  4. Step 4: Simplify right side
    1,440,736.16x = 1,582,861,498,096.70
  5. Step 5: Solve for x
    x = 1,582,861,498,096.70/1,440,736.16
  6. Step 6: Final answer
    x = 1,098,647.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.