Home / 1,324,114.30-1,983,664.56-782,749.79

Finding the Fourth Proportional to 1,324,114.30, 1,983,664.56 and 782,749.79

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Solution

The fourth proportional to 1,324,114.30, 1,983,664.56 and 782,749.79 is: 1,172,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,114.30 : 1,983,664.56 = 782,749.79 : x
  2. Step 2: Convert to fraction form
    1,324,114.30/1,983,664.56 = 782,749.79/x
  3. Step 3: Cross multiply
    1,324,114.30x = 1,983,664.56 × 782,749.79
  4. Step 4: Simplify right side
    1,324,114.30x = 1,552,713,017,770.44
  5. Step 5: Solve for x
    x = 1,552,713,017,770.44/1,324,114.30
  6. Step 6: Final answer
    x = 1,172,642.74

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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.