Home / 1,172,217.12-1,757,139.84-462,744.60

Finding the Fourth Proportional to 1,172,217.12, 1,757,139.84 and 462,744.60

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Solution

The fourth proportional to 1,172,217.12, 1,757,139.84 and 462,744.60 is: 693,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,217.12 : 1,757,139.84 = 462,744.60 : x
  2. Step 2: Convert to fraction form
    1,172,217.12/1,757,139.84 = 462,744.60/x
  3. Step 3: Cross multiply
    1,172,217.12x = 1,757,139.84 × 462,744.60
  4. Step 4: Simplify right side
    1,172,217.12x = 813,106,972,404.86
  5. Step 5: Solve for x
    x = 813,106,972,404.86/1,172,217.12
  6. Step 6: Final answer
    x = 693,648.78

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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.