Home / 1,038,109.14-1,557,245.25-279,939.24

Finding the Fourth Proportional to 1,038,109.14, 1,557,245.25 and 279,939.24

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Solution

The fourth proportional to 1,038,109.14, 1,557,245.25 and 279,939.24 is: 419,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,109.14 : 1,557,245.25 = 279,939.24 : x
  2. Step 2: Convert to fraction form
    1,038,109.14/1,557,245.25 = 279,939.24/x
  3. Step 3: Cross multiply
    1,038,109.14x = 1,557,245.25 × 279,939.24
  4. Step 4: Simplify right side
    1,038,109.14x = 435,934,051,778.61
  5. Step 5: Solve for x
    x = 435,934,051,778.61/1,038,109.14
  6. Step 6: Final answer
    x = 419,930.85

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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.