Home / 1,219,513.13-1,682,883.43-703,288.79

Finding the Fourth Proportional to 1,219,513.13, 1,682,883.43 and 703,288.79

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Solution

The fourth proportional to 1,219,513.13, 1,682,883.43 and 703,288.79 is: 970,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,513.13 : 1,682,883.43 = 703,288.79 : x
  2. Step 2: Convert to fraction form
    1,219,513.13/1,682,883.43 = 703,288.79/x
  3. Step 3: Cross multiply
    1,219,513.13x = 1,682,883.43 × 703,288.79
  4. Step 4: Simplify right side
    1,219,513.13x = 1,183,553,051,195.75
  5. Step 5: Solve for x
    x = 1,183,553,051,195.75/1,219,513.13
  6. Step 6: Final answer
    x = 970,512.76

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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.