Finding the Fourth Proportional to 1,043,721.99, 1,440,311.91 and 614,029.74
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Solution
The fourth proportional to 1,043,721.99, 1,440,311.91 and 614,029.74 is: 847,346.67
Step by Step Solution
- Step 1: Write the proportion equation
1,043,721.99 : 1,440,311.91 = 614,029.74 : x - Step 2: Convert to fraction form
1,043,721.99/1,440,311.91 = 614,029.74/x - Step 3: Cross multiply
1,043,721.99x = 1,440,311.91 × 614,029.74 - Step 4: Simplify right side
1,043,721.99x = 884,394,347,616.20 - Step 5: Solve for x
x = 884,394,347,616.20/1,043,721.99 - Step 6: Final answer
x = 847,346.67
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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.