Finding the Fourth Proportional to 1,177,425.36, 1,766,310.84 and 378,443.52
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Solution
The fourth proportional to 1,177,425.36, 1,766,310.84 and 378,443.52 is: 567,720.82
Step by Step Solution
- Step 1: Write the proportion equation
1,177,425.36 : 1,766,310.84 = 378,443.52 : x - Step 2: Convert to fraction form
1,177,425.36/1,766,310.84 = 378,443.52/x - Step 3: Cross multiply
1,177,425.36x = 1,766,310.84 × 378,443.52 - Step 4: Simplify right side
1,177,425.36x = 668,448,891,703.76 - Step 5: Solve for x
x = 668,448,891,703.76/1,177,425.36 - Step 6: Final answer
x = 567,720.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.