Home / 1,977,442.25-2,729,073.69-1,203,128.06

Finding the Fourth Proportional to 1,977,442.25, 2,729,073.69 and 1,203,128.06

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Solution

The fourth proportional to 1,977,442.25, 2,729,073.69 and 1,203,128.06 is: 1,660,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,442.25 : 2,729,073.69 = 1,203,128.06 : x
  2. Step 2: Convert to fraction form
    1,977,442.25/2,729,073.69 = 1,203,128.06/x
  3. Step 3: Cross multiply
    1,977,442.25x = 2,729,073.69 × 1,203,128.06
  4. Step 4: Simplify right side
    1,977,442.25x = 3,283,425,120,601.37
  5. Step 5: Solve for x
    x = 3,283,425,120,601.37/1,977,442.25
  6. Step 6: Final answer
    x = 1,660,440.46

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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.