Finding the Fourth Proportional to 1,172,245.21, 1,758,348.61 and 373,515.95
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Solution
The fourth proportional to 1,172,245.21, 1,758,348.61 and 373,515.95 is: 560,267.81
Step by Step Solution
- Step 1: Write the proportion equation
1,172,245.21 : 1,758,348.61 = 373,515.95 : x - Step 2: Convert to fraction form
1,172,245.21/1,758,348.61 = 373,515.95/x - Step 3: Cross multiply
1,172,245.21x = 1,758,348.61 × 373,515.95 - Step 4: Simplify right side
1,172,245.21x = 656,771,251,495.33 - Step 5: Solve for x
x = 656,771,251,495.33/1,172,245.21 - Step 6: Final answer
x = 560,267.81
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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.