Finding the Fourth Proportional to 1,585,378.28, 2,378,845.02 and 743,998.44
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Solution
The fourth proportional to 1,585,378.28, 2,378,845.02 and 743,998.44 is: 1,116,362.58
Step by Step Solution
- Step 1: Write the proportion equation
1,585,378.28 : 2,378,845.02 = 743,998.44 : x - Step 2: Convert to fraction form
1,585,378.28/2,378,845.02 = 743,998.44/x - Step 3: Cross multiply
1,585,378.28x = 2,378,845.02 × 743,998.44 - Step 4: Simplify right side
1,585,378.28x = 1,769,856,983,881.77 - Step 5: Solve for x
x = 1,769,856,983,881.77/1,585,378.28 - Step 6: Final answer
x = 1,116,362.58
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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.