Finding the Fourth Proportional to 1,307,779.97, 1,805,476.29 and 849,304.58
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Solution
The fourth proportional to 1,307,779.97, 1,805,476.29 and 849,304.58 is: 1,172,520.85
Step by Step Solution
- Step 1: Write the proportion equation
1,307,779.97 : 1,805,476.29 = 849,304.58 : x - Step 2: Convert to fraction form
1,307,779.97/1,805,476.29 = 849,304.58/x - Step 3: Cross multiply
1,307,779.97x = 1,805,476.29 × 849,304.58 - Step 4: Simplify right side
1,307,779.97x = 1,533,399,281,514.01 - Step 5: Solve for x
x = 1,533,399,281,514.01/1,307,779.97 - Step 6: Final answer
x = 1,172,520.85
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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.