Home / 1,778,754.62-2,668,122.33-430,916.54

Finding the Fourth Proportional to 1,778,754.62, 2,668,122.33 and 430,916.54

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Solution

The fourth proportional to 1,778,754.62, 2,668,122.33 and 430,916.54 is: 646,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,754.62 : 2,668,122.33 = 430,916.54 : x
  2. Step 2: Convert to fraction form
    1,778,754.62/2,668,122.33 = 430,916.54/x
  3. Step 3: Cross multiply
    1,778,754.62x = 2,668,122.33 × 430,916.54
  4. Step 4: Simplify right side
    1,778,754.62x = 1,149,738,029,399.73
  5. Step 5: Solve for x
    x = 1,149,738,029,399.73/1,778,754.62
  6. Step 6: Final answer
    x = 646,372.48

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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.