Finding the Fourth Proportional to 1,167,847.15, 1,611,626.47 and 658,545.97
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Solution
The fourth proportional to 1,167,847.15, 1,611,626.47 and 658,545.97 is: 908,791.97
Step by Step Solution
- Step 1: Write the proportion equation
1,167,847.15 : 1,611,626.47 = 658,545.97 : x - Step 2: Convert to fraction form
1,167,847.15/1,611,626.47 = 658,545.97/x - Step 3: Cross multiply
1,167,847.15x = 1,611,626.47 × 658,545.97 - Step 4: Simplify right side
1,167,847.15x = 1,061,330,116,963.83 - Step 5: Solve for x
x = 1,061,330,116,963.83/1,167,847.15 - Step 6: Final answer
x = 908,791.97
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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.