Finding the Fourth Proportional to 1,198,141.80, 1,796,556.60 and 487,366.80
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Solution
The fourth proportional to 1,198,141.80, 1,796,556.60 and 487,366.80 is: 730,783.32
Step by Step Solution
- Step 1: Write the proportion equation
1,198,141.80 : 1,796,556.60 = 487,366.80 : x - Step 2: Convert to fraction form
1,198,141.80/1,796,556.60 = 487,366.80/x - Step 3: Cross multiply
1,198,141.80x = 1,796,556.60 × 487,366.80 - Step 4: Simplify right side
1,198,141.80x = 875,582,041,160.88 - Step 5: Solve for x
x = 875,582,041,160.88/1,198,141.80 - Step 6: Final answer
x = 730,783.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.