Finding the Fourth Proportional to 1,208,362.74, 1,667,505.33 and 664,497.96
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Solution
The fourth proportional to 1,208,362.74, 1,667,505.33 and 664,497.96 is: 916,987.80
Step by Step Solution
- Step 1: Write the proportion equation
1,208,362.74 : 1,667,505.33 = 664,497.96 : x - Step 2: Convert to fraction form
1,208,362.74/1,667,505.33 = 664,497.96/x - Step 3: Cross multiply
1,208,362.74x = 1,667,505.33 × 664,497.96 - Step 4: Simplify right side
1,208,362.74x = 1,108,053,890,074.13 - Step 5: Solve for x
x = 1,108,053,890,074.13/1,208,362.74 - Step 6: Final answer
x = 916,987.80
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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.