Finding the Fourth Proportional to 1,021,514.42, 1,409,635.50 and 585,909.38
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Solution
The fourth proportional to 1,021,514.42, 1,409,635.50 and 585,909.38 is: 808,523.74
Step by Step Solution
- Step 1: Write the proportion equation
1,021,514.42 : 1,409,635.50 = 585,909.38 : x - Step 2: Convert to fraction form
1,021,514.42/1,409,635.50 = 585,909.38/x - Step 3: Cross multiply
1,021,514.42x = 1,409,635.50 × 585,909.38 - Step 4: Simplify right side
1,021,514.42x = 825,918,661,830.99 - Step 5: Solve for x
x = 825,918,661,830.99/1,021,514.42 - Step 6: Final answer
x = 808,523.74
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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.