Finding the Fourth Proportional to 1,208,506.15, 1,812,755.99 and 450,330.36
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Solution
The fourth proportional to 1,208,506.15, 1,812,755.99 and 450,330.36 is: 675,494.33
Step by Step Solution
- Step 1: Write the proportion equation
1,208,506.15 : 1,812,755.99 = 450,330.36 : x - Step 2: Convert to fraction form
1,208,506.15/1,812,755.99 = 450,330.36/x - Step 3: Cross multiply
1,208,506.15x = 1,812,755.99 × 450,330.36 - Step 4: Simplify right side
1,208,506.15x = 816,339,046,253.43 - Step 5: Solve for x
x = 816,339,046,253.43/1,208,506.15 - Step 6: Final answer
x = 675,494.33
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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.