Home / 1,340,209.80-2,007,427.86-629,172.36

Finding the Fourth Proportional to 1,340,209.80, 2,007,427.86 and 629,172.36

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Solution

The fourth proportional to 1,340,209.80, 2,007,427.86 and 629,172.36 is: 942,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,209.80 : 2,007,427.86 = 629,172.36 : x
  2. Step 2: Convert to fraction form
    1,340,209.80/2,007,427.86 = 629,172.36/x
  3. Step 3: Cross multiply
    1,340,209.80x = 2,007,427.86 × 629,172.36
  4. Step 4: Simplify right side
    1,340,209.80x = 1,263,018,124,205.95
  5. Step 5: Solve for x
    x = 1,263,018,124,205.95/1,340,209.80
  6. Step 6: Final answer
    x = 942,403.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.