Home / 1,805,709.31-2,708,917.83-668,480.85

Finding the Fourth Proportional to 1,805,709.31, 2,708,917.83 and 668,480.85

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Solution

The fourth proportional to 1,805,709.31, 2,708,917.83 and 668,480.85 is: 1,002,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,709.31 : 2,708,917.83 = 668,480.85 : x
  2. Step 2: Convert to fraction form
    1,805,709.31/2,708,917.83 = 668,480.85/x
  3. Step 3: Cross multiply
    1,805,709.31x = 2,708,917.83 × 668,480.85
  4. Step 4: Simplify right side
    1,805,709.31x = 1,810,859,693,578.56
  5. Step 5: Solve for x
    x = 1,810,859,693,578.56/1,805,709.31
  6. Step 6: Final answer
    x = 1,002,852.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.