Finding the Fourth Proportional to 1,302,761.04, 1,797,292.74 and 812,442.12
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Solution
The fourth proportional to 1,302,761.04, 1,797,292.74 and 812,442.12 is: 1,120,847.40
Step by Step Solution
- Step 1: Write the proportion equation
1,302,761.04 : 1,797,292.74 = 812,442.12 : x - Step 2: Convert to fraction form
1,302,761.04/1,797,292.74 = 812,442.12/x - Step 3: Cross multiply
1,302,761.04x = 1,797,292.74 × 812,442.12 - Step 4: Simplify right side
1,302,761.04x = 1,460,196,323,946.21 - Step 5: Solve for x
x = 1,460,196,323,946.21/1,302,761.04 - Step 6: Final answer
x = 1,120,847.40
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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.