Finding the Fourth Proportional to 1,053,361.44, 1,453,628.44 and 569,915.98
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Solution
The fourth proportional to 1,053,361.44, 1,453,628.44 and 569,915.98 is: 786,478.45
Step by Step Solution
- Step 1: Write the proportion equation
1,053,361.44 : 1,453,628.44 = 569,915.98 : x - Step 2: Convert to fraction form
1,053,361.44/1,453,628.44 = 569,915.98/x - Step 3: Cross multiply
1,053,361.44x = 1,453,628.44 × 569,915.98 - Step 4: Simplify right side
1,053,361.44x = 828,446,076,938.47 - Step 5: Solve for x
x = 828,446,076,938.47/1,053,361.44 - Step 6: Final answer
x = 786,478.45
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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.