Home / 1,424,100.92-1,965,183.76-779,396.40

Finding the Fourth Proportional to 1,424,100.92, 1,965,183.76 and 779,396.40

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Solution

The fourth proportional to 1,424,100.92, 1,965,183.76 and 779,396.40 is: 1,075,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,100.92 : 1,965,183.76 = 779,396.40 : x
  2. Step 2: Convert to fraction form
    1,424,100.92/1,965,183.76 = 779,396.40/x
  3. Step 3: Cross multiply
    1,424,100.92x = 1,965,183.76 × 779,396.40
  4. Step 4: Simplify right side
    1,424,100.92x = 1,531,657,147,882.46
  5. Step 5: Solve for x
    x = 1,531,657,147,882.46/1,424,100.92
  6. Step 6: Final answer
    x = 1,075,525.71

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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.