Finding the Fourth Proportional to 1,351,344.99, 1,864,856.20 and 739,497.72
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Solution
The fourth proportional to 1,351,344.99, 1,864,856.20 and 739,497.72 is: 1,020,506.92
Step by Step Solution
- Step 1: Write the proportion equation
1,351,344.99 : 1,864,856.20 = 739,497.72 : x - Step 2: Convert to fraction form
1,351,344.99/1,864,856.20 = 739,497.72/x - Step 3: Cross multiply
1,351,344.99x = 1,864,856.20 × 739,497.72 - Step 4: Simplify right side
1,351,344.99x = 1,379,056,905,214.47 - Step 5: Solve for x
x = 1,379,056,905,214.47/1,351,344.99 - Step 6: Final answer
x = 1,020,506.92
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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.