Finding the Fourth Proportional to 1,283,523.45, 1,771,192.12 and 702,634.23
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Solution
The fourth proportional to 1,283,523.45, 1,771,192.12 and 702,634.23 is: 969,596.79
Step by Step Solution
- Step 1: Write the proportion equation
1,283,523.45 : 1,771,192.12 = 702,634.23 : x - Step 2: Convert to fraction form
1,283,523.45/1,771,192.12 = 702,634.23/x - Step 3: Cross multiply
1,283,523.45x = 1,771,192.12 × 702,634.23 - Step 4: Simplify right side
1,283,523.45x = 1,244,500,211,418.27 - Step 5: Solve for x
x = 1,244,500,211,418.27/1,283,523.45 - Step 6: Final answer
x = 969,596.79
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1.5x scale
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.