Home / 1,438,927.85-1,985,726.78-794,353.34

Finding the Fourth Proportional to 1,438,927.85, 1,985,726.78 and 794,353.34

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Solution

The fourth proportional to 1,438,927.85, 1,985,726.78 and 794,353.34 is: 1,096,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,927.85 : 1,985,726.78 = 794,353.34 : x
  2. Step 2: Convert to fraction form
    1,438,927.85/1,985,726.78 = 794,353.34/x
  3. Step 3: Cross multiply
    1,438,927.85x = 1,985,726.78 × 794,353.34
  4. Step 4: Simplify right side
    1,438,927.85x = 1,577,368,703,991.82
  5. Step 5: Solve for x
    x = 1,577,368,703,991.82/1,438,927.85
  6. Step 6: Final answer
    x = 1,096,211.11

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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.