Home / 1,286,112.60-1,774,748.88-713,131.56

Finding the Fourth Proportional to 1,286,112.60, 1,774,748.88 and 713,131.56

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Solution

The fourth proportional to 1,286,112.60, 1,774,748.88 and 713,131.56 is: 984,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,112.60 : 1,774,748.88 = 713,131.56 : x
  2. Step 2: Convert to fraction form
    1,286,112.60/1,774,748.88 = 713,131.56/x
  3. Step 3: Cross multiply
    1,286,112.60x = 1,774,748.88 × 713,131.56
  4. Step 4: Simplify right side
    1,286,112.60x = 1,265,629,437,402.65
  5. Step 5: Solve for x
    x = 1,265,629,437,402.65/1,286,112.60
  6. Step 6: Final answer
    x = 984,073.59

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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.