Finding the Fourth Proportional to 1,132,620.86, 1,563,323.84 and 667,880.62
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Solution
The fourth proportional to 1,132,620.86, 1,563,323.84 and 667,880.62 is: 921,856.32
Step by Step Solution
- Step 1: Write the proportion equation
1,132,620.86 : 1,563,323.84 = 667,880.62 : x - Step 2: Convert to fraction form
1,132,620.86/1,563,323.84 = 667,880.62/x - Step 3: Cross multiply
1,132,620.86x = 1,563,323.84 × 667,880.62 - Step 4: Simplify right side
1,132,620.86x = 1,044,113,695,519.98 - Step 5: Solve for x
x = 1,044,113,695,519.98/1,132,620.86 - Step 6: Final answer
x = 921,856.32
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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.