Finding the Fourth Proportional to 1,176,514.74, 1,623,590.36 and 667,217.12
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Solution
The fourth proportional to 1,176,514.74, 1,623,590.36 and 667,217.12 is: 920,759.63
Step by Step Solution
- Step 1: Write the proportion equation
1,176,514.74 : 1,623,590.36 = 667,217.12 : x - Step 2: Convert to fraction form
1,176,514.74/1,623,590.36 = 667,217.12/x - Step 3: Cross multiply
1,176,514.74x = 1,623,590.36 × 667,217.12 - Step 4: Simplify right side
1,176,514.74x = 1,083,287,275,106.99 - Step 5: Solve for x
x = 1,083,287,275,106.99/1,176,514.74 - Step 6: Final answer
x = 920,759.63
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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.