Finding the Fourth Proportional to 1,790,491.25, 2,685,810.99 and 528,318.88
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Solution
The fourth proportional to 1,790,491.25, 2,685,810.99 and 528,318.88 is: 792,500.18
Step by Step Solution
- Step 1: Write the proportion equation
1,790,491.25 : 2,685,810.99 = 528,318.88 : x - Step 2: Convert to fraction form
1,790,491.25/2,685,810.99 = 528,318.88/x - Step 3: Cross multiply
1,790,491.25x = 2,685,810.99 × 528,318.88 - Step 4: Simplify right side
1,790,491.25x = 1,418,964,640,699.44 - Step 5: Solve for x
x = 1,418,964,640,699.44/1,790,491.25 - Step 6: Final answer
x = 792,500.18
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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.