Home / 1,986,075-2,978,669.15-920,978.66

Finding the Fourth Proportional to 1,986,075, 2,978,669.15 and 920,978.66

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Solution

The fourth proportional to 1,986,075, 2,978,669.15 and 920,978.66 is: 1,381,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,075 : 2,978,669.15 = 920,978.66 : x
  2. Step 2: Convert to fraction form
    1,986,075/2,978,669.15 = 920,978.66/x
  3. Step 3: Cross multiply
    1,986,075x = 2,978,669.15 × 920,978.66
  4. Step 4: Simplify right side
    1,986,075x = 2,743,290,702,852.10
  5. Step 5: Solve for x
    x = 2,743,290,702,852.10/1,986,075
  6. Step 6: Final answer
    x = 1,381,262.39

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