Finding the Fourth Proportional to 1,202,916.32, 1,660,024.49 and 659,072.70
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Solution
The fourth proportional to 1,202,916.32, 1,660,024.49 and 659,072.70 is: 909,520.31
Step by Step Solution
- Step 1: Write the proportion equation
1,202,916.32 : 1,660,024.49 = 659,072.70 : x - Step 2: Convert to fraction form
1,202,916.32/1,660,024.49 = 659,072.70/x - Step 3: Cross multiply
1,202,916.32x = 1,660,024.49 × 659,072.70 - Step 4: Simplify right side
1,202,916.32x = 1,094,076,825,192.80 - Step 5: Solve for x
x = 1,094,076,825,192.80/1,202,916.32 - Step 6: Final answer
x = 909,520.31
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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.