Finding the Fourth Proportional to 1,028,101.28, 1,540,466.51 and 728,042.99
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Solution
The fourth proportional to 1,028,101.28, 1,540,466.51 and 728,042.99 is: 1,090,870.97
Step by Step Solution
- Step 1: Write the proportion equation
1,028,101.28 : 1,540,466.51 = 728,042.99 : x - Step 2: Convert to fraction form
1,028,101.28/1,540,466.51 = 728,042.99/x - Step 3: Cross multiply
1,028,101.28x = 1,540,466.51 × 728,042.99 - Step 4: Simplify right side
1,028,101.28x = 1,121,525,832,592.72 - Step 5: Solve for x
x = 1,121,525,832,592.72/1,028,101.28 - Step 6: Final answer
x = 1,090,870.97
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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.