Home / 1,679,329.92-2,519,006.20-613,933.68

Finding the Fourth Proportional to 1,679,329.92, 2,519,006.20 and 613,933.68

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Solution

The fourth proportional to 1,679,329.92, 2,519,006.20 and 613,933.68 is: 920,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,329.92 : 2,519,006.20 = 613,933.68 : x
  2. Step 2: Convert to fraction form
    1,679,329.92/2,519,006.20 = 613,933.68/x
  3. Step 3: Cross multiply
    1,679,329.92x = 2,519,006.20 × 613,933.68
  4. Step 4: Simplify right side
    1,679,329.92x = 1,546,502,746,308.82
  5. Step 5: Solve for x
    x = 1,546,502,746,308.82/1,679,329.92
  6. Step 6: Final answer
    x = 920,904.66

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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.