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Finding the Fourth Proportional to 1,294,338.06, 1,786,312.89 and 967,083.21

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Solution

The fourth proportional to 1,294,338.06, 1,786,312.89 and 967,083.21 is: 1,334,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,338.06 : 1,786,312.89 = 967,083.21 : x
  2. Step 2: Convert to fraction form
    1,294,338.06/1,786,312.89 = 967,083.21/x
  3. Step 3: Cross multiply
    1,294,338.06x = 1,786,312.89 × 967,083.21
  4. Step 4: Simplify right side
    1,294,338.06x = 1,727,513,203,725.58
  5. Step 5: Solve for x
    x = 1,727,513,203,725.58/1,294,338.06
  6. Step 6: Final answer
    x = 1,334,669.25

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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.