Finding the Fourth Proportional to 1,076,961.02, 1,486,276.29 and 618,224.06
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Solution
The fourth proportional to 1,076,961.02, 1,486,276.29 and 618,224.06 is: 853,189.44
Step by Step Solution
- Step 1: Write the proportion equation
1,076,961.02 : 1,486,276.29 = 618,224.06 : x - Step 2: Convert to fraction form
1,076,961.02/1,486,276.29 = 618,224.06/x - Step 3: Cross multiply
1,076,961.02x = 1,486,276.29 × 618,224.06 - Step 4: Simplify right side
1,076,961.02x = 918,851,766,001.23 - Step 5: Solve for x
x = 918,851,766,001.23/1,076,961.02 - Step 6: Final answer
x = 853,189.44
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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.