Home / 1,067,919.40-1,601,879.10-648,015.40

Finding the Fourth Proportional to 1,067,919.40, 1,601,879.10 and 648,015.40

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Solution

The fourth proportional to 1,067,919.40, 1,601,879.10 and 648,015.40 is: 972,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,919.40 : 1,601,879.10 = 648,015.40 : x
  2. Step 2: Convert to fraction form
    1,067,919.40/1,601,879.10 = 648,015.40/x
  3. Step 3: Cross multiply
    1,067,919.40x = 1,601,879.10 × 648,015.40
  4. Step 4: Simplify right side
    1,067,919.40x = 1,038,042,325,738.14
  5. Step 5: Solve for x
    x = 1,038,042,325,738.14/1,067,919.40
  6. Step 6: Final answer
    x = 972,023.10

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Similar ratio
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1.5x scale

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.