Finding the Fourth Proportional to 969,974.60, 1,338,101.35 and 753,634.12
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Solution
The fourth proportional to 969,974.60, 1,338,101.35 and 753,634.12 is: 1,039,654.89
Step by Step Solution
- Step 1: Write the proportion equation
969,974.60 : 1,338,101.35 = 753,634.12 : x - Step 2: Convert to fraction form
969,974.60/1,338,101.35 = 753,634.12/x - Step 3: Cross multiply
969,974.60x = 1,338,101.35 × 753,634.12 - Step 4: Simplify right side
969,974.60x = 1,008,438,833,378.06 - Step 5: Solve for x
x = 1,008,438,833,378.06/969,974.60 - Step 6: Final answer
x = 1,039,654.89
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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.