Finding the Fourth Proportional to 1,320,907.24, 1,822,862.10 and 717,295.24
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Solution
The fourth proportional to 1,320,907.24, 1,822,862.10 and 717,295.24 is: 989,872.92
Step by Step Solution
- Step 1: Write the proportion equation
1,320,907.24 : 1,822,862.10 = 717,295.24 : x - Step 2: Convert to fraction form
1,320,907.24/1,822,862.10 = 717,295.24/x - Step 3: Cross multiply
1,320,907.24x = 1,822,862.10 × 717,295.24 - Step 4: Simplify right side
1,320,907.24x = 1,307,530,307,506.40 - Step 5: Solve for x
x = 1,307,530,307,506.40/1,320,907.24 - Step 6: Final answer
x = 989,872.92
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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.