Home / 1,501,571.32-2,072,169.30-822,519.16

Finding the Fourth Proportional to 1,501,571.32, 2,072,169.30 and 822,519.16

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Solution

The fourth proportional to 1,501,571.32, 2,072,169.30 and 822,519.16 is: 1,135,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,571.32 : 2,072,169.30 = 822,519.16 : x
  2. Step 2: Convert to fraction form
    1,501,571.32/2,072,169.30 = 822,519.16/x
  3. Step 3: Cross multiply
    1,501,571.32x = 2,072,169.30 × 822,519.16
  4. Step 4: Simplify right side
    1,501,571.32x = 1,704,398,952,013.79
  5. Step 5: Solve for x
    x = 1,704,398,952,013.79/1,501,571.32
  6. Step 6: Final answer
    x = 1,135,076.92

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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.