Finding the Fourth Proportional to 1,044,630.09, 1,566,945.65 and 689,561.12
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Solution
The fourth proportional to 1,044,630.09, 1,566,945.65 and 689,561.12 is: 1,034,342.02
Step by Step Solution
- Step 1: Write the proportion equation
1,044,630.09 : 1,566,945.65 = 689,561.12 : x - Step 2: Convert to fraction form
1,044,630.09/1,566,945.65 = 689,561.12/x - Step 3: Cross multiply
1,044,630.09x = 1,566,945.65 × 689,561.12 - Step 4: Simplify right side
1,044,630.09x = 1,080,504,797,393.13 - Step 5: Solve for x
x = 1,080,504,797,393.13/1,044,630.09 - Step 6: Final answer
x = 1,034,342.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.