Finding the Fourth Proportional to 1,093,546.40, 1,642,069.20 and 827,607.20
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Solution
The fourth proportional to 1,093,546.40, 1,642,069.20 and 827,607.20 is: 1,242,734.92
Step by Step Solution
- Step 1: Write the proportion equation
1,093,546.40 : 1,642,069.20 = 827,607.20 : x - Step 2: Convert to fraction form
1,093,546.40/1,642,069.20 = 827,607.20/x - Step 3: Cross multiply
1,093,546.40x = 1,642,069.20 × 827,607.20 - Step 4: Simplify right side
1,093,546.40x = 1,358,988,292,818.24 - Step 5: Solve for x
x = 1,358,988,292,818.24/1,093,546.40 - Step 6: Final answer
x = 1,242,734.92
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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.