Home / 1,448,558.03-2,172,882.71-690,481.87

Finding the Fourth Proportional to 1,448,558.03, 2,172,882.71 and 690,481.87

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Solution

The fourth proportional to 1,448,558.03, 2,172,882.71 and 690,481.87 is: 1,035,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,558.03 : 2,172,882.71 = 690,481.87 : x
  2. Step 2: Convert to fraction form
    1,448,558.03/2,172,882.71 = 690,481.87/x
  3. Step 3: Cross multiply
    1,448,558.03x = 2,172,882.71 × 690,481.87
  4. Step 4: Simplify right side
    1,448,558.03x = 1,500,336,113,185.47
  5. Step 5: Solve for x
    x = 1,500,336,113,185.47/1,448,558.03
  6. Step 6: Final answer
    x = 1,035,744.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.