Finding the Fourth Proportional to 1,114,031.21, 1,670,778.97 and 514,416.29
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Solution
The fourth proportional to 1,114,031.21, 1,670,778.97 and 514,416.29 is: 771,500.75
Step by Step Solution
- Step 1: Write the proportion equation
1,114,031.21 : 1,670,778.97 = 514,416.29 : x - Step 2: Convert to fraction form
1,114,031.21/1,670,778.97 = 514,416.29/x - Step 3: Cross multiply
1,114,031.21x = 1,670,778.97 × 514,416.29 - Step 4: Simplify right side
1,114,031.21x = 859,475,909,517.49 - Step 5: Solve for x
x = 859,475,909,517.49/1,114,031.21 - Step 6: Final answer
x = 771,500.75
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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.