Home / 1,280,982.52-1,767,847.44-708,010.32

Finding the Fourth Proportional to 1,280,982.52, 1,767,847.44 and 708,010.32

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Solution

The fourth proportional to 1,280,982.52, 1,767,847.44 and 708,010.32 is: 977,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,982.52 : 1,767,847.44 = 708,010.32 : x
  2. Step 2: Convert to fraction form
    1,280,982.52/1,767,847.44 = 708,010.32/x
  3. Step 3: Cross multiply
    1,280,982.52x = 1,767,847.44 × 708,010.32
  4. Step 4: Simplify right side
    1,280,982.52x = 1,251,654,231,705.58
  5. Step 5: Solve for x
    x = 1,251,654,231,705.58/1,280,982.52
  6. Step 6: Final answer
    x = 977,104.85

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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.