Home / 1,438,911.34-1,985,645.60-794,317.70

Finding the Fourth Proportional to 1,438,911.34, 1,985,645.60 and 794,317.70

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Solution

The fourth proportional to 1,438,911.34, 1,985,645.60 and 794,317.70 is: 1,096,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,911.34 : 1,985,645.60 = 794,317.70 : x
  2. Step 2: Convert to fraction form
    1,438,911.34/1,985,645.60 = 794,317.70/x
  3. Step 3: Cross multiply
    1,438,911.34x = 1,985,645.60 × 794,317.70
  4. Step 4: Simplify right side
    1,438,911.34x = 1,577,233,446,007.12
  5. Step 5: Solve for x
    x = 1,577,233,446,007.12/1,438,911.34
  6. Step 6: Final answer
    x = 1,096,129.69

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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.