Home / 1,323,072.01-1,982,109.97-781,712.97

Finding the Fourth Proportional to 1,323,072.01, 1,982,109.97 and 781,712.97

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Solution

The fourth proportional to 1,323,072.01, 1,982,109.97 and 781,712.97 is: 1,171,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,072.01 : 1,982,109.97 = 781,712.97 : x
  2. Step 2: Convert to fraction form
    1,323,072.01/1,982,109.97 = 781,712.97/x
  3. Step 3: Cross multiply
    1,323,072.01x = 1,982,109.97 × 781,712.97
  4. Step 4: Simplify right side
    1,323,072.01x = 1,549,441,071,515.31
  5. Step 5: Solve for x
    x = 1,549,441,071,515.31/1,323,072.01
  6. Step 6: Final answer
    x = 1,171,093.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.