Home / 1,286,717.10-1,775,882.55-713,941.80

Finding the Fourth Proportional to 1,286,717.10, 1,775,882.55 and 713,941.80

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Solution

The fourth proportional to 1,286,717.10, 1,775,882.55 and 713,941.80 is: 985,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,717.10 : 1,775,882.55 = 713,941.80 : x
  2. Step 2: Convert to fraction form
    1,286,717.10/1,775,882.55 = 713,941.80/x
  3. Step 3: Cross multiply
    1,286,717.10x = 1,775,882.55 × 713,941.80
  4. Step 4: Simplify right side
    1,286,717.10x = 1,267,876,784,335.59
  5. Step 5: Solve for x
    x = 1,267,876,784,335.59/1,286,717.10
  6. Step 6: Final answer
    x = 985,357.84

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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.