Finding the Fourth Proportional to 1,226,414.70, 1,692,452.29 and 682,678.95
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Solution
The fourth proportional to 1,226,414.70, 1,692,452.29 and 682,678.95 is: 942,096.95
Step by Step Solution
- Step 1: Write the proportion equation
1,226,414.70 : 1,692,452.29 = 682,678.95 : x - Step 2: Convert to fraction form
1,226,414.70/1,692,452.29 = 682,678.95/x - Step 3: Cross multiply
1,226,414.70x = 1,692,452.29 × 682,678.95 - Step 4: Simplify right side
1,226,414.70x = 1,155,401,552,262.30 - Step 5: Solve for x
x = 1,155,401,552,262.30/1,226,414.70 - Step 6: Final answer
x = 942,096.95
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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.