Finding the Fourth Proportional to 1,064,742.14, 1,469,321.70 and 581,283.92
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Solution
The fourth proportional to 1,064,742.14, 1,469,321.70 and 581,283.92 is: 802,159.55
Step by Step Solution
- Step 1: Write the proportion equation
1,064,742.14 : 1,469,321.70 = 581,283.92 : x - Step 2: Convert to fraction form
1,064,742.14/1,469,321.70 = 581,283.92/x - Step 3: Cross multiply
1,064,742.14x = 1,469,321.70 × 581,283.92 - Step 4: Simplify right side
1,064,742.14x = 854,093,077,517.06 - Step 5: Solve for x
x = 854,093,077,517.06/1,064,742.14 - Step 6: Final answer
x = 802,159.55
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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.