Home / 1,505,778.92-2,077,978.98-826,759.40

Finding the Fourth Proportional to 1,505,778.92, 2,077,978.98 and 826,759.40

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Solution

The fourth proportional to 1,505,778.92, 2,077,978.98 and 826,759.40 is: 1,140,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,778.92 : 2,077,978.98 = 826,759.40 : x
  2. Step 2: Convert to fraction form
    1,505,778.92/2,077,978.98 = 826,759.40/x
  3. Step 3: Cross multiply
    1,505,778.92x = 2,077,978.98 × 826,759.40
  4. Step 4: Simplify right side
    1,505,778.92x = 1,717,988,654,717.41
  5. Step 5: Solve for x
    x = 1,717,988,654,717.41/1,505,778.92
  6. Step 6: Final answer
    x = 1,140,930.21

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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.