Finding the Fourth Proportional to 1,079,043.23, 1,489,079.81 and 595,608.48
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Solution
The fourth proportional to 1,079,043.23, 1,489,079.81 and 595,608.48 is: 821,939.79
Step by Step Solution
- Step 1: Write the proportion equation
1,079,043.23 : 1,489,079.81 = 595,608.48 : x - Step 2: Convert to fraction form
1,079,043.23/1,489,079.81 = 595,608.48/x - Step 3: Cross multiply
1,079,043.23x = 1,489,079.81 × 595,608.48 - Step 4: Simplify right side
1,079,043.23x = 886,908,559,254.75 - Step 5: Solve for x
x = 886,908,559,254.75/1,079,043.23 - Step 6: Final answer
x = 821,939.79
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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.