Home / 1,670,890.22-2,305,768.83-945,722.36

Finding the Fourth Proportional to 1,670,890.22, 2,305,768.83 and 945,722.36

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Solution

The fourth proportional to 1,670,890.22, 2,305,768.83 and 945,722.36 is: 1,305,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,890.22 : 2,305,768.83 = 945,722.36 : x
  2. Step 2: Convert to fraction form
    1,670,890.22/2,305,768.83 = 945,722.36/x
  3. Step 3: Cross multiply
    1,670,890.22x = 2,305,768.83 × 945,722.36
  4. Step 4: Simplify right side
    1,670,890.22x = 2,180,617,139,522.04
  5. Step 5: Solve for x
    x = 2,180,617,139,522.04/1,670,890.22
  6. Step 6: Final answer
    x = 1,305,063.08

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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.