Finding the Fourth Proportional to 1,122,934.80, 1,684,402.20 and 448,682.70
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Solution
The fourth proportional to 1,122,934.80, 1,684,402.20 and 448,682.70 is: 673,024.05
Step by Step Solution
- Step 1: Write the proportion equation
1,122,934.80 : 1,684,402.20 = 448,682.70 : x - Step 2: Convert to fraction form
1,122,934.80/1,684,402.20 = 448,682.70/x - Step 3: Cross multiply
1,122,934.80x = 1,684,402.20 × 448,682.70 - Step 4: Simplify right side
1,122,934.80x = 755,762,126,981.94 - Step 5: Solve for x
x = 755,762,126,981.94/1,122,934.80 - Step 6: Final answer
x = 673,024.05
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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.