Finding the Fourth Proportional to 1,111,396.36, 1,533,163.26 and 702,809.68
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Solution
The fourth proportional to 1,111,396.36, 1,533,163.26 and 702,809.68 is: 969,520.88
Step by Step Solution
- Step 1: Write the proportion equation
1,111,396.36 : 1,533,163.26 = 702,809.68 : x - Step 2: Convert to fraction form
1,111,396.36/1,533,163.26 = 702,809.68/x - Step 3: Cross multiply
1,111,396.36x = 1,533,163.26 × 702,809.68 - Step 4: Simplify right side
1,111,396.36x = 1,077,521,980,148.36 - Step 5: Solve for x
x = 1,077,521,980,148.36/1,111,396.36 - Step 6: Final answer
x = 969,520.88
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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.