Home / 1,407,832.62-2,111,831.10-543,272.10

Finding the Fourth Proportional to 1,407,832.62, 2,111,831.10 and 543,272.10

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Solution

The fourth proportional to 1,407,832.62, 2,111,831.10 and 543,272.10 is: 814,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,832.62 : 2,111,831.10 = 543,272.10 : x
  2. Step 2: Convert to fraction form
    1,407,832.62/2,111,831.10 = 543,272.10/x
  3. Step 3: Cross multiply
    1,407,832.62x = 2,111,831.10 × 543,272.10
  4. Step 4: Simplify right side
    1,407,832.62x = 1,147,298,916,542.31
  5. Step 5: Solve for x
    x = 1,147,298,916,542.31/1,407,832.62
  6. Step 6: Final answer
    x = 814,939.86

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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.