Finding the Fourth Proportional to 1,085,849.28, 1,628,772.84 and 743,955.84
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Solution
The fourth proportional to 1,085,849.28, 1,628,772.84 and 743,955.84 is: 1,115,933.02
Step by Step Solution
- Step 1: Write the proportion equation
1,085,849.28 : 1,628,772.84 = 743,955.84 : x - Step 2: Convert to fraction form
1,085,849.28/1,628,772.84 = 743,955.84/x - Step 3: Cross multiply
1,085,849.28x = 1,628,772.84 × 743,955.84 - Step 4: Simplify right side
1,085,849.28x = 1,211,735,066,351.39 - Step 5: Solve for x
x = 1,211,735,066,351.39/1,085,849.28 - Step 6: Final answer
x = 1,115,933.02
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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.