Home / 1,293,183.37-1,784,648.19-720,223.54

Finding the Fourth Proportional to 1,293,183.37, 1,784,648.19 and 720,223.54

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Solution

The fourth proportional to 1,293,183.37, 1,784,648.19 and 720,223.54 is: 993,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,183.37 : 1,784,648.19 = 720,223.54 : x
  2. Step 2: Convert to fraction form
    1,293,183.37/1,784,648.19 = 720,223.54/x
  3. Step 3: Cross multiply
    1,293,183.37x = 1,784,648.19 × 720,223.54
  4. Step 4: Simplify right side
    1,293,183.37x = 1,285,345,637,056.39
  5. Step 5: Solve for x
    x = 1,285,345,637,056.39/1,293,183.37
  6. Step 6: Final answer
    x = 993,939.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.