Finding the Fourth Proportional to 1,084,983.99, 1,627,143.72 and 750,176.16
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Solution
The fourth proportional to 1,084,983.99, 1,627,143.72 and 750,176.16 is: 1,125,034.51
Step by Step Solution
- Step 1: Write the proportion equation
1,084,983.99 : 1,627,143.72 = 750,176.16 : x - Step 2: Convert to fraction form
1,084,983.99/1,627,143.72 = 750,176.16/x - Step 3: Cross multiply
1,084,983.99x = 1,627,143.72 × 750,176.16 - Step 4: Simplify right side
1,084,983.99x = 1,220,644,425,408.98 - Step 5: Solve for x
x = 1,220,644,425,408.98/1,084,983.99 - Step 6: Final answer
x = 1,125,034.51
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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.