Home / 1,988,190.72-2,982,384.32-568,455.68

Finding the Fourth Proportional to 1,988,190.72, 2,982,384.32 and 568,455.68

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Solution

The fourth proportional to 1,988,190.72, 2,982,384.32 and 568,455.68 is: 852,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,190.72 : 2,982,384.32 = 568,455.68 : x
  2. Step 2: Convert to fraction form
    1,988,190.72/2,982,384.32 = 568,455.68/x
  3. Step 3: Cross multiply
    1,988,190.72x = 2,982,384.32 × 568,455.68
  4. Step 4: Simplify right side
    1,988,190.72x = 1,695,353,306,646.94
  5. Step 5: Solve for x
    x = 1,695,353,306,646.94/1,988,190.72
  6. Step 6: Final answer
    x = 852,711.61

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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.