Finding the Fourth Proportional to 1,019,434.14, 1,529,116.44 and 261,283.08
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Solution
The fourth proportional to 1,019,434.14, 1,529,116.44 and 261,283.08 is: 391,915.71
Step by Step Solution
- Step 1: Write the proportion equation
1,019,434.14 : 1,529,116.44 = 261,283.08 : x - Step 2: Convert to fraction form
1,019,434.14/1,529,116.44 = 261,283.08/x - Step 3: Cross multiply
1,019,434.14x = 1,529,116.44 × 261,283.08 - Step 4: Simplify right side
1,019,434.14x = 399,532,253,121.84 - Step 5: Solve for x
x = 399,532,253,121.84/1,019,434.14 - Step 6: Final answer
x = 391,915.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.