Finding the Fourth Proportional to 1,283,717.52, 1,771,548.84 and 739,553.04
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Solution
The fourth proportional to 1,283,717.52, 1,771,548.84 and 739,553.04 is: 1,020,593.95
Step by Step Solution
- Step 1: Write the proportion equation
1,283,717.52 : 1,771,548.84 = 739,553.04 : x - Step 2: Convert to fraction form
1,283,717.52/1,771,548.84 = 739,553.04/x - Step 3: Cross multiply
1,283,717.52x = 1,771,548.84 × 739,553.04 - Step 4: Simplify right side
1,283,717.52x = 1,310,154,330,130.47 - Step 5: Solve for x
x = 1,310,154,330,130.47/1,283,717.52 - Step 6: Final answer
x = 1,020,593.95
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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.