Finding the Fourth Proportional to 1,076,208.08, 1,485,167.08 and 623,761.52
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Solution
The fourth proportional to 1,076,208.08, 1,485,167.08 and 623,761.52 is: 860,790.86
Step by Step Solution
- Step 1: Write the proportion equation
1,076,208.08 : 1,485,167.08 = 623,761.52 : x - Step 2: Convert to fraction form
1,076,208.08/1,485,167.08 = 623,761.52/x - Step 3: Cross multiply
1,076,208.08x = 1,485,167.08 × 623,761.52 - Step 4: Simplify right side
1,076,208.08x = 926,390,075,274.76 - Step 5: Solve for x
x = 926,390,075,274.76/1,076,208.08 - Step 6: Final answer
x = 860,790.86
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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.