Finding the Fourth Proportional to 1,325,318.62, 1,828,891.67 and 809,934.75
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Solution
The fourth proportional to 1,325,318.62, 1,828,891.67 and 809,934.75 is: 1,117,680.61
Step by Step Solution
- Step 1: Write the proportion equation
1,325,318.62 : 1,828,891.67 = 809,934.75 : x - Step 2: Convert to fraction form
1,325,318.62/1,828,891.67 = 809,934.75/x - Step 3: Cross multiply
1,325,318.62x = 1,828,891.67 × 809,934.75 - Step 4: Simplify right side
1,325,318.62x = 1,481,282,917,518.53 - Step 5: Solve for x
x = 1,481,282,917,518.53/1,325,318.62 - Step 6: Final answer
x = 1,117,680.61
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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.