Finding the Fourth Proportional to 1,368,046.58, 1,888,091.91 and 787,257.75
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Solution
The fourth proportional to 1,368,046.58, 1,888,091.91 and 787,257.75 is: 1,086,523.67
Step by Step Solution
- Step 1: Write the proportion equation
1,368,046.58 : 1,888,091.91 = 787,257.75 : x - Step 2: Convert to fraction form
1,368,046.58/1,888,091.91 = 787,257.75/x - Step 3: Cross multiply
1,368,046.58x = 1,888,091.91 × 787,257.75 - Step 4: Simplify right side
1,368,046.58x = 1,486,414,985,319.63 - Step 5: Solve for x
x = 1,486,414,985,319.63/1,368,046.58 - Step 6: Final answer
x = 1,086,523.67
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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.