Finding the Fourth Proportional to 1,378,380.06, 2,067,699.76 and 405,744.99
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Solution
The fourth proportional to 1,378,380.06, 2,067,699.76 and 405,744.99 is: 608,655.65
Step by Step Solution
- Step 1: Write the proportion equation
1,378,380.06 : 2,067,699.76 = 405,744.99 : x - Step 2: Convert to fraction form
1,378,380.06/2,067,699.76 = 405,744.99/x - Step 3: Cross multiply
1,378,380.06x = 2,067,699.76 × 405,744.99 - Step 4: Simplify right side
1,378,380.06x = 838,958,809,675.97 - Step 5: Solve for x
x = 838,958,809,675.97/1,378,380.06 - Step 6: Final answer
x = 608,655.65
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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.