Home / 1,315,309.25-1,814,624.93-798,868.33

Finding the Fourth Proportional to 1,315,309.25, 1,814,624.93 and 798,868.33

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Solution

The fourth proportional to 1,315,309.25, 1,814,624.93 and 798,868.33 is: 1,102,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,309.25 : 1,814,624.93 = 798,868.33 : x
  2. Step 2: Convert to fraction form
    1,315,309.25/1,814,624.93 = 798,868.33/x
  3. Step 3: Cross multiply
    1,315,309.25x = 1,814,624.93 × 798,868.33
  4. Step 4: Simplify right side
    1,315,309.25x = 1,449,646,378,874.56
  5. Step 5: Solve for x
    x = 1,449,646,378,874.56/1,315,309.25
  6. Step 6: Final answer
    x = 1,102,133.50

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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.