Home / 1,670,873.72-2,305,410.39-945,721.35

Finding the Fourth Proportional to 1,670,873.72, 2,305,410.39 and 945,721.35

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Solution

The fourth proportional to 1,670,873.72, 2,305,410.39 and 945,721.35 is: 1,304,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,873.72 : 2,305,410.39 = 945,721.35 : x
  2. Step 2: Convert to fraction form
    1,670,873.72/2,305,410.39 = 945,721.35/x
  3. Step 3: Cross multiply
    1,670,873.72x = 2,305,410.39 × 945,721.35
  4. Step 4: Simplify right side
    1,670,873.72x = 2,180,275,826,334.83
  5. Step 5: Solve for x
    x = 2,180,275,826,334.83/1,670,873.72
  6. Step 6: Final answer
    x = 1,304,871.70

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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.