Finding the Fourth Proportional to 1,224,918.48, 1,690,464.06 and 681,175.92
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Solution
The fourth proportional to 1,224,918.48, 1,690,464.06 and 681,175.92 is: 940,065.34
Step by Step Solution
- Step 1: Write the proportion equation
1,224,918.48 : 1,690,464.06 = 681,175.92 : x - Step 2: Convert to fraction form
1,224,918.48/1,690,464.06 = 681,175.92/x - Step 3: Cross multiply
1,224,918.48x = 1,690,464.06 × 681,175.92 - Step 4: Simplify right side
1,224,918.48x = 1,151,503,411,297.44 - Step 5: Solve for x
x = 1,151,503,411,297.44/1,224,918.48 - Step 6: Final answer
x = 940,065.34
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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.