Finding the Fourth Proportional to 1,221,446.60, 1,831,311.42 and 538,009.08
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Solution
The fourth proportional to 1,221,446.60, 1,831,311.42 and 538,009.08 is: 806,635.49
Step by Step Solution
- Step 1: Write the proportion equation
1,221,446.60 : 1,831,311.42 = 538,009.08 : x - Step 2: Convert to fraction form
1,221,446.60/1,831,311.42 = 538,009.08/x - Step 3: Cross multiply
1,221,446.60x = 1,831,311.42 × 538,009.08 - Step 4: Simplify right side
1,221,446.60x = 985,262,172,267.69 - Step 5: Solve for x
x = 985,262,172,267.69/1,221,446.60 - Step 6: Final answer
x = 806,635.49
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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.