Finding the Fourth Proportional to 1,135,272.80, 1,703,707.25 and 1,026,736.58
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Solution
The fourth proportional to 1,135,272.80, 1,703,707.25 and 1,026,736.58 is: 1,540,826.62
Step by Step Solution
- Step 1: Write the proportion equation
1,135,272.80 : 1,703,707.25 = 1,026,736.58 : x - Step 2: Convert to fraction form
1,135,272.80/1,703,707.25 = 1,026,736.58/x - Step 3: Cross multiply
1,135,272.80x = 1,703,707.25 × 1,026,736.58 - Step 4: Simplify right side
1,135,272.80x = 1,749,258,541,533.99 - Step 5: Solve for x
x = 1,749,258,541,533.99/1,135,272.80 - Step 6: Final answer
x = 1,540,826.62
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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.