Finding the Fourth Proportional to 1,313,321.36, 1,970,143.29 and 448,899.26
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Solution
The fourth proportional to 1,313,321.36, 1,970,143.29 and 448,899.26 is: 673,404.00
Step by Step Solution
- Step 1: Write the proportion equation
1,313,321.36 : 1,970,143.29 = 448,899.26 : x - Step 2: Convert to fraction form
1,313,321.36/1,970,143.29 = 448,899.26/x - Step 3: Cross multiply
1,313,321.36x = 1,970,143.29 × 448,899.26 - Step 4: Simplify right side
1,313,321.36x = 884,395,855,124.25 - Step 5: Solve for x
x = 884,395,855,124.25/1,313,321.36 - Step 6: Final answer
x = 673,404.00
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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.