Finding the Fourth Proportional to 1,313,638.07, 1,970,515.82 and 402,755.00
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Solution
The fourth proportional to 1,313,638.07, 1,970,515.82 and 402,755.00 is: 604,150.50
Step by Step Solution
- Step 1: Write the proportion equation
1,313,638.07 : 1,970,515.82 = 402,755.00 : x - Step 2: Convert to fraction form
1,313,638.07/1,970,515.82 = 402,755.00/x - Step 3: Cross multiply
1,313,638.07x = 1,970,515.82 × 402,755.00 - Step 4: Simplify right side
1,313,638.07x = 793,635,090,238.41 - Step 5: Solve for x
x = 793,635,090,238.41/1,313,638.07 - Step 6: Final answer
x = 604,150.50
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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.