Finding the Fourth Proportional to 756,266.20, 1,059,560 and 756,266.20
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Solution
The fourth proportional to 756,266.20, 1,059,560 and 756,266.20 is: 1,059,560
Step by Step Solution
- Step 1: Write the proportion equation
756,266.20 : 1,059,560 = 756,266.20 : x - Step 2: Convert to fraction form
756,266.20/1,059,560 = 756,266.20/x - Step 3: Cross multiply
756,266.20x = 1,059,560 × 756,266.20 - Step 4: Simplify right side
756,266.20x = 801,309,414,872 - Step 5: Solve for x
x = 801,309,414,872/756,266.20 - Step 6: Final answer
x = 1,059,560
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.