Finding the Fourth Proportional to 1,292,957.92, 1,784,281.91 and 749,408.99
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Solution
The fourth proportional to 1,292,957.92, 1,784,281.91 and 749,408.99 is: 1,034,184.39
Step by Step Solution
- Step 1: Write the proportion equation
1,292,957.92 : 1,784,281.91 = 749,408.99 : x - Step 2: Convert to fraction form
1,292,957.92/1,784,281.91 = 749,408.99/x - Step 3: Cross multiply
1,292,957.92x = 1,784,281.91 × 749,408.99 - Step 4: Simplify right side
1,292,957.92x = 1,337,156,891,379.92 - Step 5: Solve for x
x = 1,337,156,891,379.92/1,292,957.92 - Step 6: Final answer
x = 1,034,184.39
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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.