Home / 1,246,183.78-1,869,290.66-347,570.80

Finding the Fourth Proportional to 1,246,183.78, 1,869,290.66 and 347,570.80

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Solution

The fourth proportional to 1,246,183.78, 1,869,290.66 and 347,570.80 is: 521,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,183.78 : 1,869,290.66 = 347,570.80 : x
  2. Step 2: Convert to fraction form
    1,246,183.78/1,869,290.66 = 347,570.80/x
  3. Step 3: Cross multiply
    1,246,183.78x = 1,869,290.66 × 347,570.80
  4. Step 4: Simplify right side
    1,246,183.78x = 649,710,850,128.73
  5. Step 5: Solve for x
    x = 649,710,850,128.73/1,246,183.78
  6. Step 6: Final answer
    x = 521,360.38

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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.