Home / 1,315,313.75-1,814,631.14-798,872.84

Finding the Fourth Proportional to 1,315,313.75, 1,814,631.14 and 798,872.84

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Solution

The fourth proportional to 1,315,313.75, 1,814,631.14 and 798,872.84 is: 1,102,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,313.75 : 1,814,631.14 = 798,872.84 : x
  2. Step 2: Convert to fraction form
    1,315,313.75/1,814,631.14 = 798,872.84/x
  3. Step 3: Cross multiply
    1,315,313.75x = 1,814,631.14 × 798,872.84
  4. Step 4: Simplify right side
    1,315,313.75x = 1,449,659,519,296.72
  5. Step 5: Solve for x
    x = 1,449,659,519,296.72/1,315,313.75
  6. Step 6: Final answer
    x = 1,102,139.72

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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.