Home / 1,286,162.30-1,774,974.85-713,190.17

Finding the Fourth Proportional to 1,286,162.30, 1,774,974.85 and 713,190.17

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Solution

The fourth proportional to 1,286,162.30, 1,774,974.85 and 713,190.17 is: 984,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,162.30 : 1,774,974.85 = 713,190.17 : x
  2. Step 2: Convert to fraction form
    1,286,162.30/1,774,974.85 = 713,190.17/x
  3. Step 3: Cross multiply
    1,286,162.30x = 1,774,974.85 × 713,190.17
  4. Step 4: Simplify right side
    1,286,162.30x = 1,265,894,617,671.69
  5. Step 5: Solve for x
    x = 1,265,894,617,671.69/1,286,162.30
  6. Step 6: Final answer
    x = 984,241.74

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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.