Finding the Fourth Proportional to 1,283,442.55, 1,771,171.63 and 702,655.94
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Solution
The fourth proportional to 1,283,442.55, 1,771,171.63 and 702,655.94 is: 969,676.65
Step by Step Solution
- Step 1: Write the proportion equation
1,283,442.55 : 1,771,171.63 = 702,655.94 : x - Step 2: Convert to fraction form
1,283,442.55/1,771,171.63 = 702,655.94/x - Step 3: Cross multiply
1,283,442.55x = 1,771,171.63 × 702,655.94 - Step 4: Simplify right side
1,283,442.55x = 1,244,524,269,250.27 - Step 5: Solve for x
x = 1,244,524,269,250.27/1,283,442.55 - Step 6: Final answer
x = 969,676.65
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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.