Home / 1,256,474.82-1,884,712.54-878,134.56

Finding the Fourth Proportional to 1,256,474.82, 1,884,712.54 and 878,134.56

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Solution

The fourth proportional to 1,256,474.82, 1,884,712.54 and 878,134.56 is: 1,317,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,474.82 : 1,884,712.54 = 878,134.56 : x
  2. Step 2: Convert to fraction form
    1,256,474.82/1,884,712.54 = 878,134.56/x
  3. Step 3: Cross multiply
    1,256,474.82x = 1,884,712.54 × 878,134.56
  4. Step 4: Simplify right side
    1,256,474.82x = 1,655,031,217,039.38
  5. Step 5: Solve for x
    x = 1,655,031,217,039.38/1,256,474.82
  6. Step 6: Final answer
    x = 1,317,202.06

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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.