Home / 1,378,812.24-1,901,983.82-827,385.30

Finding the Fourth Proportional to 1,378,812.24, 1,901,983.82 and 827,385.30

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Solution

The fourth proportional to 1,378,812.24, 1,901,983.82 and 827,385.30 is: 1,141,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,812.24 : 1,901,983.82 = 827,385.30 : x
  2. Step 2: Convert to fraction form
    1,378,812.24/1,901,983.82 = 827,385.30/x
  3. Step 3: Cross multiply
    1,378,812.24x = 1,901,983.82 × 827,385.30
  4. Step 4: Simplify right side
    1,378,812.24x = 1,573,673,449,368.92
  5. Step 5: Solve for x
    x = 1,573,673,449,368.92/1,378,812.24
  6. Step 6: Final answer
    x = 1,141,325.41

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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.