Finding the Fourth Proportional to 1,354,415.84, 2,029,841.28 and 755,658.92
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Solution
The fourth proportional to 1,354,415.84, 2,029,841.28 and 755,658.92 is: 1,132,493.89
Step by Step Solution
- Step 1: Write the proportion equation
1,354,415.84 : 2,029,841.28 = 755,658.92 : x - Step 2: Convert to fraction form
1,354,415.84/2,029,841.28 = 755,658.92/x - Step 3: Cross multiply
1,354,415.84x = 2,029,841.28 × 755,658.92 - Step 4: Simplify right side
1,354,415.84x = 1,533,867,669,416.22 - Step 5: Solve for x
x = 1,533,867,669,416.22/1,354,415.84 - Step 6: Final answer
x = 1,132,493.89
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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.