Finding the Fourth Proportional to 1,198,981.96, 1,654,545.84 and 655,136.44
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Solution
The fourth proportional to 1,198,981.96, 1,654,545.84 and 655,136.44 is: 904,061.37
Step by Step Solution
- Step 1: Write the proportion equation
1,198,981.96 : 1,654,545.84 = 655,136.44 : x - Step 2: Convert to fraction form
1,198,981.96/1,654,545.84 = 655,136.44/x - Step 3: Cross multiply
1,198,981.96x = 1,654,545.84 × 655,136.44 - Step 4: Simplify right side
1,198,981.96x = 1,083,953,271,434.41 - Step 5: Solve for x
x = 1,083,953,271,434.41/1,198,981.96 - Step 6: Final answer
x = 904,061.37
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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.