Home / 1,438,516.75-1,985,143.33-793,936.93

Finding the Fourth Proportional to 1,438,516.75, 1,985,143.33 and 793,936.93

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Solution

The fourth proportional to 1,438,516.75, 1,985,143.33 and 793,936.93 is: 1,095,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,516.75 : 1,985,143.33 = 793,936.93 : x
  2. Step 2: Convert to fraction form
    1,438,516.75/1,985,143.33 = 793,936.93/x
  3. Step 3: Cross multiply
    1,438,516.75x = 1,985,143.33 × 793,936.93
  4. Step 4: Simplify right side
    1,438,516.75x = 1,576,078,601,030.18
  5. Step 5: Solve for x
    x = 1,576,078,601,030.18/1,438,516.75
  6. Step 6: Final answer
    x = 1,095,627.56

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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.