Finding the Fourth Proportional to 1,081,285.66, 1,619,565.99 and 547,890.94
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Solution
The fourth proportional to 1,081,285.66, 1,619,565.99 and 547,890.94 is: 820,639.32
Step by Step Solution
- Step 1: Write the proportion equation
1,081,285.66 : 1,619,565.99 = 547,890.94 : x - Step 2: Convert to fraction form
1,081,285.66/1,619,565.99 = 547,890.94/x - Step 3: Cross multiply
1,081,285.66x = 1,619,565.99 × 547,890.94 - Step 4: Simplify right side
1,081,285.66x = 887,345,532,653.13 - Step 5: Solve for x
x = 887,345,532,653.13/1,081,285.66 - Step 6: Final answer
x = 820,639.32
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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.