Home / 1,270,252.73-1,752,944.29-689,475.90

Finding the Fourth Proportional to 1,270,252.73, 1,752,944.29 and 689,475.90

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Solution

The fourth proportional to 1,270,252.73, 1,752,944.29 and 689,475.90 is: 951,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,252.73 : 1,752,944.29 = 689,475.90 : x
  2. Step 2: Convert to fraction form
    1,270,252.73/1,752,944.29 = 689,475.90/x
  3. Step 3: Cross multiply
    1,270,252.73x = 1,752,944.29 × 689,475.90
  4. Step 4: Simplify right side
    1,270,252.73x = 1,208,612,836,987.15
  5. Step 5: Solve for x
    x = 1,208,612,836,987.15/1,270,252.73
  6. Step 6: Final answer
    x = 951,474.31

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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.