Finding the Fourth Proportional to 1,320,745.94, 1,822,630.11 and 717,133.94
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Solution
The fourth proportional to 1,320,745.94, 1,822,630.11 and 717,133.94 is: 989,645.22
Step by Step Solution
- Step 1: Write the proportion equation
1,320,745.94 : 1,822,630.11 = 717,133.94 : x - Step 2: Convert to fraction form
1,320,745.94/1,822,630.11 = 717,133.94/x - Step 3: Cross multiply
1,320,745.94x = 1,822,630.11 × 717,133.94 - Step 4: Simplify right side
1,320,745.94x = 1,307,069,911,946.93 - Step 5: Solve for x
x = 1,307,069,911,946.93/1,320,745.94 - Step 6: Final answer
x = 989,645.22
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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.