Finding the Fourth Proportional to 1,284,194.44, 1,772,036.22 and 740,508.94
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Solution
The fourth proportional to 1,284,194.44, 1,772,036.22 and 740,508.94 is: 1,021,814.63
Step by Step Solution
- Step 1: Write the proportion equation
1,284,194.44 : 1,772,036.22 = 740,508.94 : x - Step 2: Convert to fraction form
1,284,194.44/1,772,036.22 = 740,508.94/x - Step 3: Cross multiply
1,284,194.44x = 1,772,036.22 × 740,508.94 - Step 4: Simplify right side
1,284,194.44x = 1,312,208,662,913.81 - Step 5: Solve for x
x = 1,312,208,662,913.81/1,284,194.44 - Step 6: Final answer
x = 1,021,814.63
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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.