Finding the Fourth Proportional to 1,292,021.94, 1,782,588.92 and 733,124.64
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Solution
The fourth proportional to 1,292,021.94, 1,782,588.92 and 733,124.64 is: 1,011,484.26
Step by Step Solution
- Step 1: Write the proportion equation
1,292,021.94 : 1,782,588.92 = 733,124.64 : x - Step 2: Convert to fraction form
1,292,021.94/1,782,588.92 = 733,124.64/x - Step 3: Cross multiply
1,292,021.94x = 1,782,588.92 × 733,124.64 - Step 4: Simplify right side
1,292,021.94x = 1,306,859,860,242.99 - Step 5: Solve for x
x = 1,306,859,860,242.99/1,292,021.94 - Step 6: Final answer
x = 1,011,484.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.