Finding the Fourth Proportional to 1,267,825.28, 1,749,519.60 and 694,824.80
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Solution
The fourth proportional to 1,267,825.28, 1,749,519.60 and 694,824.80 is: 958,814.77
Step by Step Solution
- Step 1: Write the proportion equation
1,267,825.28 : 1,749,519.60 = 694,824.80 : x - Step 2: Convert to fraction form
1,267,825.28/1,749,519.60 = 694,824.80/x - Step 3: Cross multiply
1,267,825.28x = 1,749,519.60 × 694,824.80 - Step 4: Simplify right side
1,267,825.28x = 1,215,609,606,166.08 - Step 5: Solve for x
x = 1,215,609,606,166.08/1,267,825.28 - Step 6: Final answer
x = 958,814.77
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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.