Finding the Fourth Proportional to 1,071,356.63, 1,478,514.79 and 587,939.08
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Solution
The fourth proportional to 1,071,356.63, 1,478,514.79 and 587,939.08 is: 811,379.33
Step by Step Solution
- Step 1: Write the proportion equation
1,071,356.63 : 1,478,514.79 = 587,939.08 : x - Step 2: Convert to fraction form
1,071,356.63/1,478,514.79 = 587,939.08/x - Step 3: Cross multiply
1,071,356.63x = 1,478,514.79 × 587,939.08 - Step 4: Simplify right side
1,071,356.63x = 869,276,619,476.27 - Step 5: Solve for x
x = 869,276,619,476.27/1,071,356.63 - Step 6: Final answer
x = 811,379.33
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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.