Home / 1,225,446.27-1,690,997.39-709,097.17

Finding the Fourth Proportional to 1,225,446.27, 1,690,997.39 and 709,097.17

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Solution

The fourth proportional to 1,225,446.27, 1,690,997.39 and 709,097.17 is: 978,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,446.27 : 1,690,997.39 = 709,097.17 : x
  2. Step 2: Convert to fraction form
    1,225,446.27/1,690,997.39 = 709,097.17/x
  3. Step 3: Cross multiply
    1,225,446.27x = 1,690,997.39 × 709,097.17
  4. Step 4: Simplify right side
    1,225,446.27x = 1,199,081,451,725.91
  5. Step 5: Solve for x
    x = 1,199,081,451,725.91/1,225,446.27
  6. Step 6: Final answer
    x = 978,485.54

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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.