Finding the Fourth Proportional to 1,246,874.99, 1,870,330.94 and 823,124.61
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Solution
The fourth proportional to 1,246,874.99, 1,870,330.94 and 823,124.61 is: 1,234,699.09
Step by Step Solution
- Step 1: Write the proportion equation
1,246,874.99 : 1,870,330.94 = 823,124.61 : x - Step 2: Convert to fraction form
1,246,874.99/1,870,330.94 = 823,124.61/x - Step 3: Cross multiply
1,246,874.99x = 1,870,330.94 × 823,124.61 - Step 4: Simplify right side
1,246,874.99x = 1,539,515,422,741.82 - Step 5: Solve for x
x = 1,539,515,422,741.82/1,246,874.99 - Step 6: Final answer
x = 1,234,699.09
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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.