Finding the Fourth Proportional to 1,151,716.80, 1,728,352.80 and 646,276.80
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Solution
The fourth proportional to 1,151,716.80, 1,728,352.80 and 646,276.80 is: 969,851.54
Step by Step Solution
- Step 1: Write the proportion equation
1,151,716.80 : 1,728,352.80 = 646,276.80 : x - Step 2: Convert to fraction form
1,151,716.80/1,728,352.80 = 646,276.80/x - Step 3: Cross multiply
1,151,716.80x = 1,728,352.80 × 646,276.80 - Step 4: Simplify right side
1,151,716.80x = 1,116,994,316,855.04 - Step 5: Solve for x
x = 1,116,994,316,855.04/1,151,716.80 - Step 6: Final answer
x = 969,851.54
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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.