Finding the Fourth Proportional to 1,131,157.08, 1,560,476.61 and 1,002,226.14
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Solution
The fourth proportional to 1,131,157.08, 1,560,476.61 and 1,002,226.14 is: 1,382,611.20
Step by Step Solution
- Step 1: Write the proportion equation
1,131,157.08 : 1,560,476.61 = 1,002,226.14 : x - Step 2: Convert to fraction form
1,131,157.08/1,560,476.61 = 1,002,226.14/x - Step 3: Cross multiply
1,131,157.08x = 1,560,476.61 × 1,002,226.14 - Step 4: Simplify right side
1,131,157.08x = 1,563,950,449,400.59 - Step 5: Solve for x
x = 1,563,950,449,400.59/1,131,157.08 - Step 6: Final answer
x = 1,382,611.20
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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.