Home / 1,075,715.82-1,616,327.73-811,960.38

Finding the Fourth Proportional to 1,075,715.82, 1,616,327.73 and 811,960.38

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Solution

The fourth proportional to 1,075,715.82, 1,616,327.73 and 811,960.38 is: 1,220,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,715.82 : 1,616,327.73 = 811,960.38 : x
  2. Step 2: Convert to fraction form
    1,075,715.82/1,616,327.73 = 811,960.38/x
  3. Step 3: Cross multiply
    1,075,715.82x = 1,616,327.73 × 811,960.38
  4. Step 4: Simplify right side
    1,075,715.82x = 1,312,394,077,855.34
  5. Step 5: Solve for x
    x = 1,312,394,077,855.34/1,075,715.82
  6. Step 6: Final answer
    x = 1,220,019.32

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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.