Home / 1,670,890.11-2,305,768.68-945,722.26

Finding the Fourth Proportional to 1,670,890.11, 2,305,768.68 and 945,722.26

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Solution

The fourth proportional to 1,670,890.11, 2,305,768.68 and 945,722.26 is: 1,305,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,890.11 : 2,305,768.68 = 945,722.26 : x
  2. Step 2: Convert to fraction form
    1,670,890.11/2,305,768.68 = 945,722.26/x
  3. Step 3: Cross multiply
    1,670,890.11x = 2,305,768.68 × 945,722.26
  4. Step 4: Simplify right side
    1,670,890.11x = 2,180,616,750,829.36
  5. Step 5: Solve for x
    x = 2,180,616,750,829.36/1,670,890.11
  6. Step 6: Final answer
    x = 1,305,062.93

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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.