Home / 1,330,628.31-1,995,942.26-319,750.27

Finding the Fourth Proportional to 1,330,628.31, 1,995,942.26 and 319,750.27

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Solution

The fourth proportional to 1,330,628.31, 1,995,942.26 and 319,750.27 is: 479,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,628.31 : 1,995,942.26 = 319,750.27 : x
  2. Step 2: Convert to fraction form
    1,330,628.31/1,995,942.26 = 319,750.27/x
  3. Step 3: Cross multiply
    1,330,628.31x = 1,995,942.26 × 319,750.27
  4. Step 4: Simplify right side
    1,330,628.31x = 638,203,076,539.41
  5. Step 5: Solve for x
    x = 638,203,076,539.41/1,330,628.31
  6. Step 6: Final answer
    x = 479,625.36

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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.