Home / 1,127,822.40-1,691,729.55-274,884.30

Finding the Fourth Proportional to 1,127,822.40, 1,691,729.55 and 274,884.30

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Solution

The fourth proportional to 1,127,822.40, 1,691,729.55 and 274,884.30 is: 412,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,822.40 : 1,691,729.55 = 274,884.30 : x
  2. Step 2: Convert to fraction form
    1,127,822.40/1,691,729.55 = 274,884.30/x
  3. Step 3: Cross multiply
    1,127,822.40x = 1,691,729.55 × 274,884.30
  4. Step 4: Simplify right side
    1,127,822.40x = 465,029,893,141.07
  5. Step 5: Solve for x
    x = 465,029,893,141.07/1,127,822.40
  6. Step 6: Final answer
    x = 412,325.46

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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.