Finding the Fourth Proportional to 1,311,779.82, 1,963,225.49 and 806,660.73
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Solution
The fourth proportional to 1,311,779.82, 1,963,225.49 and 806,660.73 is: 1,207,258.17
Step by Step Solution
- Step 1: Write the proportion equation
1,311,779.82 : 1,963,225.49 = 806,660.73 : x - Step 2: Convert to fraction form
1,311,779.82/1,963,225.49 = 806,660.73/x - Step 3: Cross multiply
1,311,779.82x = 1,963,225.49 × 806,660.73 - Step 4: Simplify right side
1,311,779.82x = 1,583,656,902,884.70 - Step 5: Solve for x
x = 1,583,656,902,884.70/1,311,779.82 - Step 6: Final answer
x = 1,207,258.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.