Finding the Fourth Proportional to 1,342,131.39, 1,852,217.96 and 769,266.99
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Solution
The fourth proportional to 1,342,131.39, 1,852,217.96 and 769,266.99 is: 1,061,632.37
Step by Step Solution
- Step 1: Write the proportion equation
1,342,131.39 : 1,852,217.96 = 769,266.99 : x - Step 2: Convert to fraction form
1,342,131.39/1,852,217.96 = 769,266.99/x - Step 3: Cross multiply
1,342,131.39x = 1,852,217.96 × 769,266.99 - Step 4: Simplify right side
1,342,131.39x = 1,424,850,131,066.81 - Step 5: Solve for x
x = 1,424,850,131,066.81/1,342,131.39 - Step 6: Final answer
x = 1,061,632.37
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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.