Finding the Fourth Proportional to 1,351,319.24, 1,864,820.73 and 739,472.13
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Solution
The fourth proportional to 1,351,319.24, 1,864,820.73 and 739,472.13 is: 1,020,471.64
Step by Step Solution
- Step 1: Write the proportion equation
1,351,319.24 : 1,864,820.73 = 739,472.13 : x - Step 2: Convert to fraction form
1,351,319.24/1,864,820.73 = 739,472.13/x - Step 3: Cross multiply
1,351,319.24x = 1,864,820.73 × 739,472.13 - Step 4: Simplify right side
1,351,319.24x = 1,378,982,957,281.25 - Step 5: Solve for x
x = 1,378,982,957,281.25/1,351,319.24 - Step 6: Final answer
x = 1,020,471.64
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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.