Finding the Fourth Proportional to 1,323,760.07, 1,985,312.05 and 377,138.99
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Solution
The fourth proportional to 1,323,760.07, 1,985,312.05 and 377,138.99 is: 565,615.02
Step by Step Solution
- Step 1: Write the proportion equation
1,323,760.07 : 1,985,312.05 = 377,138.99 : x - Step 2: Convert to fraction form
1,323,760.07/1,985,312.05 = 377,138.99/x - Step 3: Cross multiply
1,323,760.07x = 1,985,312.05 × 377,138.99 - Step 4: Simplify right side
1,323,760.07x = 748,738,581,371.83 - Step 5: Solve for x
x = 748,738,581,371.83/1,323,760.07 - Step 6: Final answer
x = 565,615.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.