Finding the Fourth Proportional to 1,028,102.28, 1,540,468 and 728,043.99
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Solution
The fourth proportional to 1,028,102.28, 1,540,468 and 728,043.99 is: 1,090,872.47
Step by Step Solution
- Step 1: Write the proportion equation
1,028,102.28 : 1,540,468 = 728,043.99 : x - Step 2: Convert to fraction form
1,028,102.28/1,540,468 = 728,043.99/x - Step 3: Cross multiply
1,028,102.28x = 1,540,468 × 728,043.99 - Step 4: Simplify right side
1,028,102.28x = 1,121,528,469,187.32 - Step 5: Solve for x
x = 1,121,528,469,187.32/1,028,102.28 - Step 6: Final answer
x = 1,090,872.47
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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.