Finding the Fourth Proportional to 1,215,934.84, 1,823,454.42 and 417,002.68
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Solution
The fourth proportional to 1,215,934.84, 1,823,454.42 and 417,002.68 is: 625,350.43
Step by Step Solution
- Step 1: Write the proportion equation
1,215,934.84 : 1,823,454.42 = 417,002.68 : x - Step 2: Convert to fraction form
1,215,934.84/1,823,454.42 = 417,002.68/x - Step 3: Cross multiply
1,215,934.84x = 1,823,454.42 × 417,002.68 - Step 4: Simplify right side
1,215,934.84x = 760,385,379,997.85 - Step 5: Solve for x
x = 760,385,379,997.85/1,215,934.84 - Step 6: Final answer
x = 625,350.43
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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.