Home / 1,438,556.52-1,985,203.90-793,972.09

Finding the Fourth Proportional to 1,438,556.52, 1,985,203.90 and 793,972.09

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Solution

The fourth proportional to 1,438,556.52, 1,985,203.90 and 793,972.09 is: 1,095,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,556.52 : 1,985,203.90 = 793,972.09 : x
  2. Step 2: Convert to fraction form
    1,438,556.52/1,985,203.90 = 793,972.09/x
  3. Step 3: Cross multiply
    1,438,556.52x = 1,985,203.90 × 793,972.09
  4. Step 4: Simplify right side
    1,438,556.52x = 1,576,196,482,611.21
  5. Step 5: Solve for x
    x = 1,576,196,482,611.21/1,438,556.52
  6. Step 6: Final answer
    x = 1,095,679.22

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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.