Finding the Fourth Proportional to 1,284,588.21, 1,772,920.48 and 740,617.53
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Solution
The fourth proportional to 1,284,588.21, 1,772,920.48 and 740,617.53 is: 1,022,161.01
Step by Step Solution
- Step 1: Write the proportion equation
1,284,588.21 : 1,772,920.48 = 740,617.53 : x - Step 2: Convert to fraction form
1,284,588.21/1,772,920.48 = 740,617.53/x - Step 3: Cross multiply
1,284,588.21x = 1,772,920.48 × 740,617.53 - Step 4: Simplify right side
1,284,588.21x = 1,313,055,981,755.66 - Step 5: Solve for x
x = 1,313,055,981,755.66/1,284,588.21 - Step 6: Final answer
x = 1,022,161.01
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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.