Finding the Fourth Proportional to 1,207,331.42, 1,665,754.00 and 723,720.11
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Solution
The fourth proportional to 1,207,331.42, 1,665,754.00 and 723,720.11 is: 998,515.94
Step by Step Solution
- Step 1: Write the proportion equation
1,207,331.42 : 1,665,754.00 = 723,720.11 : x - Step 2: Convert to fraction form
1,207,331.42/1,665,754.00 = 723,720.11/x - Step 3: Cross multiply
1,207,331.42x = 1,665,754.00 × 723,720.11 - Step 4: Simplify right side
1,207,331.42x = 1,205,539,657,974.87 - Step 5: Solve for x
x = 1,205,539,657,974.87/1,207,331.42 - Step 6: Final answer
x = 998,515.94
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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.