Finding the Fourth Proportional to 1,208,047.08, 1,667,116.35 and 664,186.62
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Solution
The fourth proportional to 1,208,047.08, 1,667,116.35 and 664,186.62 is: 916,583.79
Step by Step Solution
- Step 1: Write the proportion equation
1,208,047.08 : 1,667,116.35 = 664,186.62 : x - Step 2: Convert to fraction form
1,208,047.08/1,667,116.35 = 664,186.62/x - Step 3: Cross multiply
1,208,047.08x = 1,667,116.35 × 664,186.62 - Step 4: Simplify right side
1,208,047.08x = 1,107,276,373,653.24 - Step 5: Solve for x
x = 1,107,276,373,653.24/1,208,047.08 - Step 6: Final answer
x = 916,583.79
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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.