Finding the Fourth Proportional to 1,076,687.12, 1,485,932.91 and 804,282.08
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Solution
The fourth proportional to 1,076,687.12, 1,485,932.91 and 804,282.08 is: 1,109,987.46
Step by Step Solution
- Step 1: Write the proportion equation
1,076,687.12 : 1,485,932.91 = 804,282.08 : x - Step 2: Convert to fraction form
1,076,687.12/1,485,932.91 = 804,282.08/x - Step 3: Cross multiply
1,076,687.12x = 1,485,932.91 × 804,282.08 - Step 4: Simplify right side
1,076,687.12x = 1,195,109,201,149.53 - Step 5: Solve for x
x = 1,195,109,201,149.53/1,076,687.12 - Step 6: Final answer
x = 1,109,987.46
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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.