Finding the Fourth Proportional to 1,283,448.76, 1,771,180.18 and 702,662.09
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Solution
The fourth proportional to 1,283,448.76, 1,771,180.18 and 702,662.09 is: 969,685.12
Step by Step Solution
- Step 1: Write the proportion equation
1,283,448.76 : 1,771,180.18 = 702,662.09 : x - Step 2: Convert to fraction form
1,283,448.76/1,771,180.18 = 702,662.09/x - Step 3: Cross multiply
1,283,448.76x = 1,771,180.18 × 702,662.09 - Step 4: Simplify right side
1,283,448.76x = 1,244,541,168,371.95 - Step 5: Solve for x
x = 1,244,541,168,371.95/1,283,448.76 - Step 6: Final answer
x = 969,685.12
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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.