Finding the Fourth Proportional to 1,178,520.84, 1,626,237.41 and 662,192.62
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Solution
The fourth proportional to 1,178,520.84, 1,626,237.41 and 662,192.62 is: 913,757.63
Step by Step Solution
- Step 1: Write the proportion equation
1,178,520.84 : 1,626,237.41 = 662,192.62 : x - Step 2: Convert to fraction form
1,178,520.84/1,626,237.41 = 662,192.62/x - Step 3: Cross multiply
1,178,520.84x = 1,626,237.41 × 662,192.62 - Step 4: Simplify right side
1,178,520.84x = 1,076,882,403,893.36 - Step 5: Solve for x
x = 1,076,882,403,893.36/1,178,520.84 - Step 6: Final answer
x = 913,757.63
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1.5x scale
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.