Home / 1,424,013.46-1,965,157.03-779,419.82

Finding the Fourth Proportional to 1,424,013.46, 1,965,157.03 and 779,419.82

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Solution

The fourth proportional to 1,424,013.46, 1,965,157.03 and 779,419.82 is: 1,075,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,013.46 : 1,965,157.03 = 779,419.82 : x
  2. Step 2: Convert to fraction form
    1,424,013.46/1,965,157.03 = 779,419.82/x
  3. Step 3: Cross multiply
    1,424,013.46x = 1,965,157.03 × 779,419.82
  4. Step 4: Simplify right side
    1,424,013.46x = 1,531,682,331,691.37
  5. Step 5: Solve for x
    x = 1,531,682,331,691.37/1,424,013.46
  6. Step 6: Final answer
    x = 1,075,609.45

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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.