Home / 1,028,015.80-1,542,023.70-692,092.60

Finding the Fourth Proportional to 1,028,015.80, 1,542,023.70 and 692,092.60

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Solution

The fourth proportional to 1,028,015.80, 1,542,023.70 and 692,092.60 is: 1,038,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,015.80 : 1,542,023.70 = 692,092.60 : x
  2. Step 2: Convert to fraction form
    1,028,015.80/1,542,023.70 = 692,092.60/x
  3. Step 3: Cross multiply
    1,028,015.80x = 1,542,023.70 × 692,092.60
  4. Step 4: Simplify right side
    1,028,015.80x = 1,067,223,191,794.62
  5. Step 5: Solve for x
    x = 1,067,223,191,794.62/1,028,015.80
  6. Step 6: Final answer
    x = 1,038,138.90

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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.