Finding the Fourth Proportional to 1,248,974.17, 1,723,626.13 and 765,445.88
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Solution
The fourth proportional to 1,248,974.17, 1,723,626.13 and 765,445.88 is: 1,056,340.92
Step by Step Solution
- Step 1: Write the proportion equation
1,248,974.17 : 1,723,626.13 = 765,445.88 : x - Step 2: Convert to fraction form
1,248,974.17/1,723,626.13 = 765,445.88/x - Step 3: Cross multiply
1,248,974.17x = 1,723,626.13 × 765,445.88 - Step 4: Simplify right side
1,248,974.17x = 1,319,342,519,868.84 - Step 5: Solve for x
x = 1,319,342,519,868.84/1,248,974.17 - Step 6: Final answer
x = 1,056,340.92
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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.