Finding the Fourth Proportional to 1,283,451.22, 1,771,183.57 and 702,664.54
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Solution
The fourth proportional to 1,283,451.22, 1,771,183.57 and 702,664.54 is: 969,688.50
Step by Step Solution
- Step 1: Write the proportion equation
1,283,451.22 : 1,771,183.57 = 702,664.54 : x - Step 2: Convert to fraction form
1,283,451.22/1,771,183.57 = 702,664.54/x - Step 3: Cross multiply
1,283,451.22x = 1,771,183.57 × 702,664.54 - Step 4: Simplify right side
1,283,451.22x = 1,244,547,888,469.61 - Step 5: Solve for x
x = 1,244,547,888,469.61/1,283,451.22 - Step 6: Final answer
x = 969,688.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.