Home / 1,543,097.89-2,129,014.43-998,370.87

Finding the Fourth Proportional to 1,543,097.89, 2,129,014.43 and 998,370.87

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Solution

The fourth proportional to 1,543,097.89, 2,129,014.43 and 998,370.87 is: 1,377,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,097.89 : 2,129,014.43 = 998,370.87 : x
  2. Step 2: Convert to fraction form
    1,543,097.89/2,129,014.43 = 998,370.87/x
  3. Step 3: Cross multiply
    1,543,097.89x = 2,129,014.43 × 998,370.87
  4. Step 4: Simplify right side
    1,543,097.89x = 2,125,545,979,489.89
  5. Step 5: Solve for x
    x = 2,125,545,979,489.89/1,543,097.89
  6. Step 6: Final answer
    x = 1,377,453.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.