Finding the Fourth Proportional to 1,136,793.40, 1,702,943.70 and 576,230.20
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Solution
The fourth proportional to 1,136,793.40, 1,702,943.70 and 576,230.20 is: 863,206.62
Step by Step Solution
- Step 1: Write the proportion equation
1,136,793.40 : 1,702,943.70 = 576,230.20 : x - Step 2: Convert to fraction form
1,136,793.40/1,702,943.70 = 576,230.20/x - Step 3: Cross multiply
1,136,793.40x = 1,702,943.70 × 576,230.20 - Step 4: Simplify right side
1,136,793.40x = 981,287,588,839.74 - Step 5: Solve for x
x = 981,287,588,839.74/1,136,793.40 - Step 6: Final answer
x = 863,206.62
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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.