Finding the Fourth Proportional to 1,283,529.72, 1,771,200.74 and 702,640.48
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Solution
The fourth proportional to 1,283,529.72, 1,771,200.74 and 702,640.48 is: 969,605.39
Step by Step Solution
- Step 1: Write the proportion equation
1,283,529.72 : 1,771,200.74 = 702,640.48 : x - Step 2: Convert to fraction form
1,283,529.72/1,771,200.74 = 702,640.48/x - Step 3: Cross multiply
1,283,529.72x = 1,771,200.74 × 702,640.48 - Step 4: Simplify right side
1,283,529.72x = 1,244,517,338,129.96 - Step 5: Solve for x
x = 1,244,517,338,129.96/1,283,529.72 - Step 6: Final answer
x = 969,605.39
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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.