Home / 1,285,882.51-1,928,903.85-339,254.14

Finding the Fourth Proportional to 1,285,882.51, 1,928,903.85 and 339,254.14

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Solution

The fourth proportional to 1,285,882.51, 1,928,903.85 and 339,254.14 is: 508,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,882.51 : 1,928,903.85 = 339,254.14 : x
  2. Step 2: Convert to fraction form
    1,285,882.51/1,928,903.85 = 339,254.14/x
  3. Step 3: Cross multiply
    1,285,882.51x = 1,928,903.85 × 339,254.14
  4. Step 4: Simplify right side
    1,285,882.51x = 654,388,616,774.44
  5. Step 5: Solve for x
    x = 654,388,616,774.44/1,285,882.51
  6. Step 6: Final answer
    x = 508,902.34

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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.