Home / 1,284,809.61-1,926,467.40-486,152.85

Finding the Fourth Proportional to 1,284,809.61, 1,926,467.40 and 486,152.85

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Solution

The fourth proportional to 1,284,809.61, 1,926,467.40 and 486,152.85 is: 728,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,809.61 : 1,926,467.40 = 486,152.85 : x
  2. Step 2: Convert to fraction form
    1,284,809.61/1,926,467.40 = 486,152.85/x
  3. Step 3: Cross multiply
    1,284,809.61x = 1,926,467.40 × 486,152.85
  4. Step 4: Simplify right side
    1,284,809.61x = 936,557,616,942.09
  5. Step 5: Solve for x
    x = 936,557,616,942.09/1,284,809.61
  6. Step 6: Final answer
    x = 728,946.62

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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.