Finding the Fourth Proportional to 1,198,515.78, 1,651,812.99 and 907,429.98
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Solution
The fourth proportional to 1,198,515.78, 1,651,812.99 and 907,429.98 is: 1,250,634.04
Step by Step Solution
- Step 1: Write the proportion equation
1,198,515.78 : 1,651,812.99 = 907,429.98 : x - Step 2: Convert to fraction form
1,198,515.78/1,651,812.99 = 907,429.98/x - Step 3: Cross multiply
1,198,515.78x = 1,651,812.99 × 907,429.98 - Step 4: Simplify right side
1,198,515.78x = 1,498,904,628,479.44 - Step 5: Solve for x
x = 1,498,904,628,479.44/1,198,515.78 - Step 6: Final answer
x = 1,250,634.04
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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.