Finding the Fourth Proportional to 1,180,479.88, 1,628,859.13 and 664,161.99
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Solution
The fourth proportional to 1,180,479.88, 1,628,859.13 and 664,161.99 is: 916,429.28
Step by Step Solution
- Step 1: Write the proportion equation
1,180,479.88 : 1,628,859.13 = 664,161.99 : x - Step 2: Convert to fraction form
1,180,479.88/1,628,859.13 = 664,161.99/x - Step 3: Cross multiply
1,180,479.88x = 1,628,859.13 × 664,161.99 - Step 4: Simplify right side
1,180,479.88x = 1,081,826,321,210.47 - Step 5: Solve for x
x = 1,081,826,321,210.47/1,180,479.88 - Step 6: Final answer
x = 916,429.28
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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.