Home / 1,323,016.49-1,982,027.49-781,657.44

Finding the Fourth Proportional to 1,323,016.49, 1,982,027.49 and 781,657.44

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Solution

The fourth proportional to 1,323,016.49, 1,982,027.49 and 781,657.44 is: 1,171,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,016.49 : 1,982,027.49 = 781,657.44 : x
  2. Step 2: Convert to fraction form
    1,323,016.49/1,982,027.49 = 781,657.44/x
  3. Step 3: Cross multiply
    1,323,016.49x = 1,982,027.49 × 781,657.44
  4. Step 4: Simplify right side
    1,323,016.49x = 1,549,266,533,843.03
  5. Step 5: Solve for x
    x = 1,549,266,533,843.03/1,323,016.49
  6. Step 6: Final answer
    x = 1,171,010.76

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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.