Home / 1,438,910.59-1,985,644.57-794,316.94

Finding the Fourth Proportional to 1,438,910.59, 1,985,644.57 and 794,316.94

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Solution

The fourth proportional to 1,438,910.59, 1,985,644.57 and 794,316.94 is: 1,096,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,910.59 : 1,985,644.57 = 794,316.94 : x
  2. Step 2: Convert to fraction form
    1,438,910.59/1,985,644.57 = 794,316.94/x
  3. Step 3: Cross multiply
    1,438,910.59x = 1,985,644.57 × 794,316.94
  4. Step 4: Simplify right side
    1,438,910.59x = 1,577,231,118,770.02
  5. Step 5: Solve for x
    x = 1,577,231,118,770.02/1,438,910.59
  6. Step 6: Final answer
    x = 1,096,128.65

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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.