Home / 1,028,921.64-1,419,556.50-646,977.48

Finding the Fourth Proportional to 1,028,921.64, 1,419,556.50 and 646,977.48

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Solution

The fourth proportional to 1,028,921.64, 1,419,556.50 and 646,977.48 is: 892,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,921.64 : 1,419,556.50 = 646,977.48 : x
  2. Step 2: Convert to fraction form
    1,028,921.64/1,419,556.50 = 646,977.48/x
  3. Step 3: Cross multiply
    1,028,921.64x = 1,419,556.50 × 646,977.48
  4. Step 4: Simplify right side
    1,028,921.64x = 918,421,087,087.62
  5. Step 5: Solve for x
    x = 918,421,087,087.62/1,028,921.64
  6. Step 6: Final answer
    x = 892,605.47

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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.