Home / 1,067,138.61-1,600,728.74-392,872.83

Finding the Fourth Proportional to 1,067,138.61, 1,600,728.74 and 392,872.83

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Solution

The fourth proportional to 1,067,138.61, 1,600,728.74 and 392,872.83 is: 589,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,138.61 : 1,600,728.74 = 392,872.83 : x
  2. Step 2: Convert to fraction form
    1,067,138.61/1,600,728.74 = 392,872.83/x
  3. Step 3: Cross multiply
    1,067,138.61x = 1,600,728.74 × 392,872.83
  4. Step 4: Simplify right side
    1,067,138.61x = 628,882,830,146.13
  5. Step 5: Solve for x
    x = 628,882,830,146.13/1,067,138.61
  6. Step 6: Final answer
    x = 589,316.91

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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.