Home / 1,376,036.78-1,898,993.79-764,192.26

Finding the Fourth Proportional to 1,376,036.78, 1,898,993.79 and 764,192.26

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Solution

The fourth proportional to 1,376,036.78, 1,898,993.79 and 764,192.26 is: 1,054,620.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,036.78 : 1,898,993.79 = 764,192.26 : x
  2. Step 2: Convert to fraction form
    1,376,036.78/1,898,993.79 = 764,192.26/x
  3. Step 3: Cross multiply
    1,376,036.78x = 1,898,993.79 × 764,192.26
  4. Step 4: Simplify right side
    1,376,036.78x = 1,451,196,346,611.10
  5. Step 5: Solve for x
    x = 1,451,196,346,611.10/1,376,036.78
  6. Step 6: Final answer
    x = 1,054,620.32

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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.