Finding the Fourth Proportional to 1,132,905.87, 1,563,451.36 and 616,634.81
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Solution
The fourth proportional to 1,132,905.87, 1,563,451.36 and 616,634.81 is: 850,978.50
Step by Step Solution
- Step 1: Write the proportion equation
1,132,905.87 : 1,563,451.36 = 616,634.81 : x - Step 2: Convert to fraction form
1,132,905.87/1,563,451.36 = 616,634.81/x - Step 3: Cross multiply
1,132,905.87x = 1,563,451.36 × 616,634.81 - Step 4: Simplify right side
1,132,905.87x = 964,078,534,684.88 - Step 5: Solve for x
x = 964,078,534,684.88/1,132,905.87 - Step 6: Final answer
x = 850,978.50
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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.