Home / 1,075,965.12-1,485,075.06-818,555.22

Finding the Fourth Proportional to 1,075,965.12, 1,485,075.06 and 818,555.22

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Solution

The fourth proportional to 1,075,965.12, 1,485,075.06 and 818,555.22 is: 1,129,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,965.12 : 1,485,075.06 = 818,555.22 : x
  2. Step 2: Convert to fraction form
    1,075,965.12/1,485,075.06 = 818,555.22/x
  3. Step 3: Cross multiply
    1,075,965.12x = 1,485,075.06 × 818,555.22
  4. Step 4: Simplify right side
    1,075,965.12x = 1,215,615,942,454.81
  5. Step 5: Solve for x
    x = 1,215,615,942,454.81/1,075,965.12
  6. Step 6: Final answer
    x = 1,129,791.22

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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.