Home / 1,190,471.72-1,641,950.73-827,714.03

Finding the Fourth Proportional to 1,190,471.72, 1,641,950.73 and 827,714.03

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Solution

The fourth proportional to 1,190,471.72, 1,641,950.73 and 827,714.03 is: 1,141,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,471.72 : 1,641,950.73 = 827,714.03 : x
  2. Step 2: Convert to fraction form
    1,190,471.72/1,641,950.73 = 827,714.03/x
  3. Step 3: Cross multiply
    1,190,471.72x = 1,641,950.73 × 827,714.03
  4. Step 4: Simplify right side
    1,190,471.72x = 1,359,065,647,579.99
  5. Step 5: Solve for x
    x = 1,359,065,647,579.99/1,190,471.72
  6. Step 6: Final answer
    x = 1,141,619.44

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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.