Finding the Fourth Proportional to 1,018,240.26, 1,405,147.05 and 565,531.62
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Solution
The fourth proportional to 1,018,240.26, 1,405,147.05 and 565,531.62 is: 780,420.02
Step by Step Solution
- Step 1: Write the proportion equation
1,018,240.26 : 1,405,147.05 = 565,531.62 : x - Step 2: Convert to fraction form
1,018,240.26/1,405,147.05 = 565,531.62/x - Step 3: Cross multiply
1,018,240.26x = 1,405,147.05 × 565,531.62 - Step 4: Simplify right side
1,018,240.26x = 794,655,087,524.72 - Step 5: Solve for x
x = 794,655,087,524.72/1,018,240.26 - Step 6: Final answer
x = 780,420.02
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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.