Home / 1,129,748.65-1,694,636.67-331,046.39

Finding the Fourth Proportional to 1,129,748.65, 1,694,636.67 and 331,046.39

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Solution

The fourth proportional to 1,129,748.65, 1,694,636.67 and 331,046.39 is: 496,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,748.65 : 1,694,636.67 = 331,046.39 : x
  2. Step 2: Convert to fraction form
    1,129,748.65/1,694,636.67 = 331,046.39/x
  3. Step 3: Cross multiply
    1,129,748.65x = 1,694,636.67 × 331,046.39
  4. Step 4: Simplify right side
    1,129,748.65x = 561,003,357,443.14
  5. Step 5: Solve for x
    x = 561,003,357,443.14/1,129,748.65
  6. Step 6: Final answer
    x = 496,573.60

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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.