Finding the Fourth Proportional to 1,208,004.66, 1,667,047.49 and 664,149.70
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Solution
The fourth proportional to 1,208,004.66, 1,667,047.49 and 664,149.70 is: 916,527.17
Step by Step Solution
- Step 1: Write the proportion equation
1,208,004.66 : 1,667,047.49 = 664,149.70 : x - Step 2: Convert to fraction form
1,208,004.66/1,667,047.49 = 664,149.70/x - Step 3: Cross multiply
1,208,004.66x = 1,667,047.49 × 664,149.70 - Step 4: Simplify right side
1,208,004.66x = 1,107,169,090,369.25 - Step 5: Solve for x
x = 1,107,169,090,369.25/1,208,004.66 - Step 6: Final answer
x = 916,527.17
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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.