Home / 1,438,958.74-1,985,751.89-794,379.86

Finding the Fourth Proportional to 1,438,958.74, 1,985,751.89 and 794,379.86

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Solution

The fourth proportional to 1,438,958.74, 1,985,751.89 and 794,379.86 is: 1,096,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,958.74 : 1,985,751.89 = 794,379.86 : x
  2. Step 2: Convert to fraction form
    1,438,958.74/1,985,751.89 = 794,379.86/x
  3. Step 3: Cross multiply
    1,438,958.74x = 1,985,751.89 × 794,379.86
  4. Step 4: Simplify right side
    1,438,958.74x = 1,577,441,308,372.94
  5. Step 5: Solve for x
    x = 1,577,441,308,372.94/1,438,958.74
  6. Step 6: Final answer
    x = 1,096,238.04

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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.