Finding the Fourth Proportional to 1,283,441.79, 1,771,170.60 and 702,655.19
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Solution
The fourth proportional to 1,283,441.79, 1,771,170.60 and 702,655.19 is: 969,675.61
Step by Step Solution
- Step 1: Write the proportion equation
1,283,441.79 : 1,771,170.60 = 702,655.19 : x - Step 2: Convert to fraction form
1,283,441.79/1,771,170.60 = 702,655.19/x - Step 3: Cross multiply
1,283,441.79x = 1,771,170.60 × 702,655.19 - Step 4: Simplify right side
1,283,441.79x = 1,244,522,205,609.56 - Step 5: Solve for x
x = 1,244,522,205,609.56/1,283,441.79 - Step 6: Final answer
x = 969,675.61
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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.