Home / 1,424,063.82-1,965,190.95-770,674.62

Finding the Fourth Proportional to 1,424,063.82, 1,965,190.95 and 770,674.62

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Solution

The fourth proportional to 1,424,063.82, 1,965,190.95 and 770,674.62 is: 1,063,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,063.82 : 1,965,190.95 = 770,674.62 : x
  2. Step 2: Convert to fraction form
    1,424,063.82/1,965,190.95 = 770,674.62/x
  3. Step 3: Cross multiply
    1,424,063.82x = 1,965,190.95 × 770,674.62
  4. Step 4: Simplify right side
    1,424,063.82x = 1,514,522,788,618.69
  5. Step 5: Solve for x
    x = 1,514,522,788,618.69/1,424,063.82
  6. Step 6: Final answer
    x = 1,063,521.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.