Finding the Fourth Proportional to 1,036,657.21, 1,555,197.23 and 587,578.63
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Solution
The fourth proportional to 1,036,657.21, 1,555,197.23 and 587,578.63 is: 881,487.78
Step by Step Solution
- Step 1: Write the proportion equation
1,036,657.21 : 1,555,197.23 = 587,578.63 : x - Step 2: Convert to fraction form
1,036,657.21/1,555,197.23 = 587,578.63/x - Step 3: Cross multiply
1,036,657.21x = 1,555,197.23 × 587,578.63 - Step 4: Simplify right side
1,036,657.21x = 913,800,657,783.20 - Step 5: Solve for x
x = 913,800,657,783.20/1,036,657.21 - Step 6: Final answer
x = 881,487.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.