Home / 1,129,749.65-1,694,638.17-331,047.39

Finding the Fourth Proportional to 1,129,749.65, 1,694,638.17 and 331,047.39

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Solution

The fourth proportional to 1,129,749.65, 1,694,638.17 and 331,047.39 is: 496,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,749.65 : 1,694,638.17 = 331,047.39 : x
  2. Step 2: Convert to fraction form
    1,129,749.65/1,694,638.17 = 331,047.39/x
  3. Step 3: Cross multiply
    1,129,749.65x = 1,694,638.17 × 331,047.39
  4. Step 4: Simplify right side
    1,129,749.65x = 561,005,543,172.88
  5. Step 5: Solve for x
    x = 561,005,543,172.88/1,129,749.65
  6. Step 6: Final answer
    x = 496,575.10

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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.