Home / 1,279,362.94-1,765,474.52-706,390.82

Finding the Fourth Proportional to 1,279,362.94, 1,765,474.52 and 706,390.82

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Solution

The fourth proportional to 1,279,362.94, 1,765,474.52 and 706,390.82 is: 974,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,362.94 : 1,765,474.52 = 706,390.82 : x
  2. Step 2: Convert to fraction form
    1,279,362.94/1,765,474.52 = 706,390.82/x
  3. Step 3: Cross multiply
    1,279,362.94x = 1,765,474.52 × 706,390.82
  4. Step 4: Simplify right side
    1,279,362.94x = 1,247,114,993,871.91
  5. Step 5: Solve for x
    x = 1,247,114,993,871.91/1,279,362.94
  6. Step 6: Final answer
    x = 974,793.75

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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.