Home / 1,440,736.64-1,988,208.96-796,201.60

Finding the Fourth Proportional to 1,440,736.64, 1,988,208.96 and 796,201.60

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Solution

The fourth proportional to 1,440,736.64, 1,988,208.96 and 796,201.60 is: 1,098,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,736.64 : 1,988,208.96 = 796,201.60 : x
  2. Step 2: Convert to fraction form
    1,440,736.64/1,988,208.96 = 796,201.60/x
  3. Step 3: Cross multiply
    1,440,736.64x = 1,988,208.96 × 796,201.60
  4. Step 4: Simplify right side
    1,440,736.64x = 1,583,015,155,086.34
  5. Step 5: Solve for x
    x = 1,583,015,155,086.34/1,440,736.64
  6. Step 6: Final answer
    x = 1,098,754.01

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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.