Home / 1,075,713.82-1,616,324.73-811,958.38

Finding the Fourth Proportional to 1,075,713.82, 1,616,324.73 and 811,958.38

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Solution

The fourth proportional to 1,075,713.82, 1,616,324.73 and 811,958.38 is: 1,220,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,713.82 : 1,616,324.73 = 811,958.38 : x
  2. Step 2: Convert to fraction form
    1,075,713.82/1,616,324.73 = 811,958.38/x
  3. Step 3: Cross multiply
    1,075,713.82x = 1,616,324.73 × 811,958.38
  4. Step 4: Simplify right side
    1,075,713.82x = 1,312,388,409,324.74
  5. Step 5: Solve for x
    x = 1,312,388,409,324.74/1,075,713.82
  6. Step 6: Final answer
    x = 1,220,016.31

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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.