Home / 1,286,446.32-1,775,404.92-713,671

Finding the Fourth Proportional to 1,286,446.32, 1,775,404.92 and 713,671

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Solution

The fourth proportional to 1,286,446.32, 1,775,404.92 and 713,671 is: 984,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,446.32 : 1,775,404.92 = 713,671 : x
  2. Step 2: Convert to fraction form
    1,286,446.32/1,775,404.92 = 713,671/x
  3. Step 3: Cross multiply
    1,286,446.32x = 1,775,404.92 × 713,671
  4. Step 4: Simplify right side
    1,286,446.32x = 1,267,055,004,661.32
  5. Step 5: Solve for x
    x = 1,267,055,004,661.32/1,286,446.32
  6. Step 6: Final answer
    x = 984,926.45

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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.