Finding the Fourth Proportional to 1,212,401.49, 1,673,687.94 and 702,917.97
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Solution
The fourth proportional to 1,212,401.49, 1,673,687.94 and 702,917.97 is: 970,359.52
Step by Step Solution
- Step 1: Write the proportion equation
1,212,401.49 : 1,673,687.94 = 702,917.97 : x - Step 2: Convert to fraction form
1,212,401.49/1,673,687.94 = 702,917.97/x - Step 3: Cross multiply
1,212,401.49x = 1,673,687.94 × 702,917.97 - Step 4: Simplify right side
1,212,401.49x = 1,176,465,329,198.28 - Step 5: Solve for x
x = 1,176,465,329,198.28/1,212,401.49 - Step 6: Final answer
x = 970,359.52
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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.