Home / 1,376,481.32-1,899,848.03-764,844.33

Finding the Fourth Proportional to 1,376,481.32, 1,899,848.03 and 764,844.33

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Solution

The fourth proportional to 1,376,481.32, 1,899,848.03 and 764,844.33 is: 1,055,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,481.32 : 1,899,848.03 = 764,844.33 : x
  2. Step 2: Convert to fraction form
    1,376,481.32/1,899,848.03 = 764,844.33/x
  3. Step 3: Cross multiply
    1,376,481.32x = 1,899,848.03 × 764,844.33
  4. Step 4: Simplify right side
    1,376,481.32x = 1,453,087,989,782.95
  5. Step 5: Solve for x
    x = 1,453,087,989,782.95/1,376,481.32
  6. Step 6: Final answer
    x = 1,055,653.99

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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.