Finding the Fourth Proportional to 1,213,949.33, 1,821,461.18 and 637,436.99
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Solution
The fourth proportional to 1,213,949.33, 1,821,461.18 and 637,436.99 is: 956,437.56
Step by Step Solution
- Step 1: Write the proportion equation
1,213,949.33 : 1,821,461.18 = 637,436.99 : x - Step 2: Convert to fraction form
1,213,949.33/1,821,461.18 = 637,436.99/x - Step 3: Cross multiply
1,213,949.33x = 1,821,461.18 × 637,436.99 - Step 4: Simplify right side
1,213,949.33x = 1,161,066,733,347.52 - Step 5: Solve for x
x = 1,161,066,733,347.52/1,213,949.33 - Step 6: Final answer
x = 956,437.56
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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.