Finding the Fourth Proportional to 1,283,419.55, 1,771,119.49 and 702,680.31
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Solution
The fourth proportional to 1,283,419.55, 1,771,119.49 and 702,680.31 is: 969,699.11
Step by Step Solution
- Step 1: Write the proportion equation
1,283,419.55 : 1,771,119.49 = 702,680.31 : x - Step 2: Convert to fraction form
1,283,419.55/1,771,119.49 = 702,680.31/x - Step 3: Cross multiply
1,283,419.55x = 1,771,119.49 × 702,680.31 - Step 4: Simplify right side
1,283,419.55x = 1,244,530,792,280.24 - Step 5: Solve for x
x = 1,244,530,792,280.24/1,283,419.55 - Step 6: Final answer
x = 969,699.11
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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.