Finding the Fourth Proportional to 1,283,449.76, 1,771,181.56 and 702,663.09
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Solution
The fourth proportional to 1,283,449.76, 1,771,181.56 and 702,663.09 is: 969,686.50
Step by Step Solution
- Step 1: Write the proportion equation
1,283,449.76 : 1,771,181.56 = 702,663.09 : x - Step 2: Convert to fraction form
1,283,449.76/1,771,181.56 = 702,663.09/x - Step 3: Cross multiply
1,283,449.76x = 1,771,181.56 × 702,663.09 - Step 4: Simplify right side
1,283,449.76x = 1,244,543,907,900.62 - Step 5: Solve for x
x = 1,244,543,907,900.62/1,283,449.76 - Step 6: Final answer
x = 969,686.50
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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.