Home / 1,438,700.33-1,985,406.57-794,120.69

Finding the Fourth Proportional to 1,438,700.33, 1,985,406.57 and 794,120.69

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Solution

The fourth proportional to 1,438,700.33, 1,985,406.57 and 794,120.69 is: 1,095,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,700.33 : 1,985,406.57 = 794,120.69 : x
  2. Step 2: Convert to fraction form
    1,438,700.33/1,985,406.57 = 794,120.69/x
  3. Step 3: Cross multiply
    1,438,700.33x = 1,985,406.57 × 794,120.69
  4. Step 4: Simplify right side
    1,438,700.33x = 1,576,652,435,298.93
  5. Step 5: Solve for x
    x = 1,576,652,435,298.93/1,438,700.33
  6. Step 6: Final answer
    x = 1,095,886.62

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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.