Home / 1,311,259.31-1,967,238.98-469,896.11

Finding the Fourth Proportional to 1,311,259.31, 1,967,238.98 and 469,896.11

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Solution

The fourth proportional to 1,311,259.31, 1,967,238.98 and 469,896.11 is: 704,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,259.31 : 1,967,238.98 = 469,896.11 : x
  2. Step 2: Convert to fraction form
    1,311,259.31/1,967,238.98 = 469,896.11/x
  3. Step 3: Cross multiply
    1,311,259.31x = 1,967,238.98 × 469,896.11
  4. Step 4: Simplify right side
    1,311,259.31x = 924,397,944,142.37
  5. Step 5: Solve for x
    x = 924,397,944,142.37/1,311,259.31
  6. Step 6: Final answer
    x = 704,969.59

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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.