Home / 1,067,944.45-1,601,712.56-319,990.45

Finding the Fourth Proportional to 1,067,944.45, 1,601,712.56 and 319,990.45

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Solution

The fourth proportional to 1,067,944.45, 1,601,712.56 and 319,990.45 is: 479,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,944.45 : 1,601,712.56 = 319,990.45 : x
  2. Step 2: Convert to fraction form
    1,067,944.45/1,601,712.56 = 319,990.45/x
  3. Step 3: Cross multiply
    1,067,944.45x = 1,601,712.56 × 319,990.45
  4. Step 4: Simplify right side
    1,067,944.45x = 512,532,728,051.24
  5. Step 5: Solve for x
    x = 512,532,728,051.24/1,067,944.45
  6. Step 6: Final answer
    x = 479,924.52

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Double scale
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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.