Finding the Fourth Proportional to 1,311,740.19, 1,963,166.13 and 806,621.09
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Solution
The fourth proportional to 1,311,740.19, 1,963,166.13 and 806,621.09 is: 1,207,198.81
Step by Step Solution
- Step 1: Write the proportion equation
1,311,740.19 : 1,963,166.13 = 806,621.09 : x - Step 2: Convert to fraction form
1,311,740.19/1,963,166.13 = 806,621.09/x - Step 3: Cross multiply
1,311,740.19x = 1,963,166.13 × 806,621.09 - Step 4: Simplify right side
1,311,740.19x = 1,583,531,193,815.85 - Step 5: Solve for x
x = 1,583,531,193,815.85/1,311,740.19 - Step 6: Final answer
x = 1,207,198.81
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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.