Home / 1,280,612.31-1,767,270.33-699,871.37

Finding the Fourth Proportional to 1,280,612.31, 1,767,270.33 and 699,871.37

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Solution

The fourth proportional to 1,280,612.31, 1,767,270.33 and 699,871.37 is: 965,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,612.31 : 1,767,270.33 = 699,871.37 : x
  2. Step 2: Convert to fraction form
    1,280,612.31/1,767,270.33 = 699,871.37/x
  3. Step 3: Cross multiply
    1,280,612.31x = 1,767,270.33 × 699,871.37
  4. Step 4: Simplify right side
    1,280,612.31x = 1,236,861,898,181.10
  5. Step 5: Solve for x
    x = 1,236,861,898,181.10/1,280,612.31
  6. Step 6: Final answer
    x = 965,836.33

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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.