Home / 1,371,791.34-1,893,728.44-913,668.30

Finding the Fourth Proportional to 1,371,791.34, 1,893,728.44 and 913,668.30

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Solution

The fourth proportional to 1,371,791.34, 1,893,728.44 and 913,668.30 is: 1,261,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,791.34 : 1,893,728.44 = 913,668.30 : x
  2. Step 2: Convert to fraction form
    1,371,791.34/1,893,728.44 = 913,668.30/x
  3. Step 3: Cross multiply
    1,371,791.34x = 1,893,728.44 × 913,668.30
  4. Step 4: Simplify right side
    1,371,791.34x = 1,730,239,644,436.45
  5. Step 5: Solve for x
    x = 1,730,239,644,436.45/1,371,791.34
  6. Step 6: Final answer
    x = 1,261,299.44

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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.