Home / 1,419,788.34-1,959,293.07-775,206.54

Finding the Fourth Proportional to 1,419,788.34, 1,959,293.07 and 775,206.54

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Solution

The fourth proportional to 1,419,788.34, 1,959,293.07 and 775,206.54 is: 1,069,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,788.34 : 1,959,293.07 = 775,206.54 : x
  2. Step 2: Convert to fraction form
    1,419,788.34/1,959,293.07 = 775,206.54/x
  3. Step 3: Cross multiply
    1,419,788.34x = 1,959,293.07 × 775,206.54
  4. Step 4: Simplify right side
    1,419,788.34x = 1,518,856,801,640.68
  5. Step 5: Solve for x
    x = 1,518,856,801,640.68/1,419,788.34
  6. Step 6: Final answer
    x = 1,069,776.92

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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.