Finding the Fourth Proportional to 1,257,798.28, 1,886,992.62 and 416,350
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Solution
The fourth proportional to 1,257,798.28, 1,886,992.62 and 416,350 is: 624,622.72
Step by Step Solution
- Step 1: Write the proportion equation
1,257,798.28 : 1,886,992.62 = 416,350 : x - Step 2: Convert to fraction form
1,257,798.28/1,886,992.62 = 416,350/x - Step 3: Cross multiply
1,257,798.28x = 1,886,992.62 × 416,350 - Step 4: Simplify right side
1,257,798.28x = 785,649,377,337 - Step 5: Solve for x
x = 785,649,377,337/1,257,798.28 - Step 6: Final answer
x = 624,622.72
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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.