Home / 1,248,235.56-1,722,548.21-696,959.78

Finding the Fourth Proportional to 1,248,235.56, 1,722,548.21 and 696,959.78

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Solution

The fourth proportional to 1,248,235.56, 1,722,548.21 and 696,959.78 is: 961,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,235.56 : 1,722,548.21 = 696,959.78 : x
  2. Step 2: Convert to fraction form
    1,248,235.56/1,722,548.21 = 696,959.78/x
  3. Step 3: Cross multiply
    1,248,235.56x = 1,722,548.21 × 696,959.78
  4. Step 4: Simplify right side
    1,248,235.56x = 1,200,546,809,383.45
  5. Step 5: Solve for x
    x = 1,200,546,809,383.45/1,248,235.56
  6. Step 6: Final answer
    x = 961,795.07

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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.