Finding the Fourth Proportional to 1,388,338.26, 2,081,981.79 and 756,908.34
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Solution
The fourth proportional to 1,388,338.26, 2,081,981.79 and 756,908.34 is: 1,135,075.96
Step by Step Solution
- Step 1: Write the proportion equation
1,388,338.26 : 2,081,981.79 = 756,908.34 : x - Step 2: Convert to fraction form
1,388,338.26/2,081,981.79 = 756,908.34/x - Step 3: Cross multiply
1,388,338.26x = 2,081,981.79 × 756,908.34 - Step 4: Simplify right side
1,388,338.26x = 1,575,869,380,579.13 - Step 5: Solve for x
x = 1,575,869,380,579.13/1,388,338.26 - Step 6: Final answer
x = 1,135,075.96
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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.