Finding the Fourth Proportional to 1,283,445.97, 1,771,253.79 and 732,173.80
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Solution
The fourth proportional to 1,283,445.97, 1,771,253.79 and 732,173.80 is: 1,010,455.95
Step by Step Solution
- Step 1: Write the proportion equation
1,283,445.97 : 1,771,253.79 = 732,173.80 : x - Step 2: Convert to fraction form
1,283,445.97/1,771,253.79 = 732,173.80/x - Step 3: Cross multiply
1,283,445.97x = 1,771,253.79 × 732,173.80 - Step 4: Simplify right side
1,283,445.97x = 1,296,865,618,188.70 - Step 5: Solve for x
x = 1,296,865,618,188.70/1,283,445.97 - Step 6: Final answer
x = 1,010,455.95
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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.