Home / 1,992,412.35-2,988,297.77-572,145.39

Finding the Fourth Proportional to 1,992,412.35, 2,988,297.77 and 572,145.39

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Solution

The fourth proportional to 1,992,412.35, 2,988,297.77 and 572,145.39 is: 858,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,412.35 : 2,988,297.77 = 572,145.39 : x
  2. Step 2: Convert to fraction form
    1,992,412.35/2,988,297.77 = 572,145.39/x
  3. Step 3: Cross multiply
    1,992,412.35x = 2,988,297.77 × 572,145.39
  4. Step 4: Simplify right side
    1,992,412.35x = 1,709,740,790,192.05
  5. Step 5: Solve for x
    x = 1,709,740,790,192.05/1,992,412.35
  6. Step 6: Final answer
    x = 858,125.97

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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.