Finding the Fourth Proportional to 1,283,845.68, 1,771,767.84 and 774,537.12
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Solution
The fourth proportional to 1,283,845.68, 1,771,767.84 and 774,537.12 is: 1,068,897.91
Step by Step Solution
- Step 1: Write the proportion equation
1,283,845.68 : 1,771,767.84 = 774,537.12 : x - Step 2: Convert to fraction form
1,283,845.68/1,771,767.84 = 774,537.12/x - Step 3: Cross multiply
1,283,845.68x = 1,771,767.84 × 774,537.12 - Step 4: Simplify right side
1,283,845.68x = 1,372,299,960,102.22 - Step 5: Solve for x
x = 1,372,299,960,102.22/1,283,845.68 - Step 6: Final answer
x = 1,068,897.91
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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.