Finding the Fourth Proportional to 1,313,096.63, 1,812,212.65 and 769,688.97
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Solution
The fourth proportional to 1,313,096.63, 1,812,212.65 and 769,688.97 is: 1,062,252.43
Step by Step Solution
- Step 1: Write the proportion equation
1,313,096.63 : 1,812,212.65 = 769,688.97 : x - Step 2: Convert to fraction form
1,313,096.63/1,812,212.65 = 769,688.97/x - Step 3: Cross multiply
1,313,096.63x = 1,812,212.65 × 769,688.97 - Step 4: Simplify right side
1,313,096.63x = 1,394,840,087,999.47 - Step 5: Solve for x
x = 1,394,840,087,999.47/1,313,096.63 - Step 6: Final answer
x = 1,062,252.43
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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.