Home / 1,438,889.31-1,985,667.57-794,309.94

Finding the Fourth Proportional to 1,438,889.31, 1,985,667.57 and 794,309.94

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Solution

The fourth proportional to 1,438,889.31, 1,985,667.57 and 794,309.94 is: 1,096,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,889.31 : 1,985,667.57 = 794,309.94 : x
  2. Step 2: Convert to fraction form
    1,438,889.31/1,985,667.57 = 794,309.94/x
  3. Step 3: Cross multiply
    1,438,889.31x = 1,985,667.57 × 794,309.94
  4. Step 4: Simplify right side
    1,438,889.31x = 1,577,235,488,386.65
  5. Step 5: Solve for x
    x = 1,577,235,488,386.65/1,438,889.31
  6. Step 6: Final answer
    x = 1,096,147.90

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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.