Finding the Fourth Proportional to 1,104,907.18, 1,524,981.43 and 691,636.17
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Solution
The fourth proportional to 1,104,907.18, 1,524,981.43 and 691,636.17 is: 954,589.07
Step by Step Solution
- Step 1: Write the proportion equation
1,104,907.18 : 1,524,981.43 = 691,636.17 : x - Step 2: Convert to fraction form
1,104,907.18/1,524,981.43 = 691,636.17/x - Step 3: Cross multiply
1,104,907.18x = 1,524,981.43 × 691,636.17 - Step 4: Simplify right side
1,104,907.18x = 1,054,732,313,571.53 - Step 5: Solve for x
x = 1,054,732,313,571.53/1,104,907.18 - Step 6: Final answer
x = 954,589.07
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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.