Finding the Fourth Proportional to 1,285,873.74, 1,925,026.88 and 858,349.15
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Solution
The fourth proportional to 1,285,873.74, 1,925,026.88 and 858,349.15 is: 1,284,998.00
Step by Step Solution
- Step 1: Write the proportion equation
1,285,873.74 : 1,925,026.88 = 858,349.15 : x - Step 2: Convert to fraction form
1,285,873.74/1,925,026.88 = 858,349.15/x - Step 3: Cross multiply
1,285,873.74x = 1,925,026.88 × 858,349.15 - Step 4: Simplify right side
1,285,873.74x = 1,652,345,186,175.15 - Step 5: Solve for x
x = 1,652,345,186,175.15/1,285,873.74 - Step 6: Final answer
x = 1,284,998.00
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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.