Finding the Fourth Proportional to 1,172,220.05, 1,758,310.86 and 373,490.74
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Solution
The fourth proportional to 1,172,220.05, 1,758,310.86 and 373,490.74 is: 560,229.99
Step by Step Solution
- Step 1: Write the proportion equation
1,172,220.05 : 1,758,310.86 = 373,490.74 : x - Step 2: Convert to fraction form
1,172,220.05/1,758,310.86 = 373,490.74/x - Step 3: Cross multiply
1,172,220.05x = 1,758,310.86 × 373,490.74 - Step 4: Simplify right side
1,172,220.05x = 656,712,824,251.44 - Step 5: Solve for x
x = 656,712,824,251.44/1,172,220.05 - Step 6: Final answer
x = 560,229.99
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1.5x scale
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.