Finding the Fourth Proportional to 1,214,356.20, 1,816,868.70 and 794,452.20
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Solution
The fourth proportional to 1,214,356.20, 1,816,868.70 and 794,452.20 is: 1,188,625.99
Step by Step Solution
- Step 1: Write the proportion equation
1,214,356.20 : 1,816,868.70 = 794,452.20 : x - Step 2: Convert to fraction form
1,214,356.20/1,816,868.70 = 794,452.20/x - Step 3: Cross multiply
1,214,356.20x = 1,816,868.70 × 794,452.20 - Step 4: Simplify right side
1,214,356.20x = 1,443,415,335,826.14 - Step 5: Solve for x
x = 1,443,415,335,826.14/1,214,356.20 - Step 6: Final answer
x = 1,188,625.99
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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.