Finding the Fourth Proportional to 1,208,463.08, 1,667,685.08 and 664,633.62
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Solution
The fourth proportional to 1,208,463.08, 1,667,685.08 and 664,633.62 is: 917,197.71
Step by Step Solution
- Step 1: Write the proportion equation
1,208,463.08 : 1,667,685.08 = 664,633.62 : x - Step 2: Convert to fraction form
1,208,463.08/1,667,685.08 = 664,633.62/x - Step 3: Cross multiply
1,208,463.08x = 1,667,685.08 × 664,633.62 - Step 4: Simplify right side
1,208,463.08x = 1,108,399,568,417.22 - Step 5: Solve for x
x = 1,108,399,568,417.22/1,208,463.08 - Step 6: Final answer
x = 917,197.71
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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.