Finding the Fourth Proportional to 1,177,286.60, 1,765,929.90 and 578,631.80
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Solution
The fourth proportional to 1,177,286.60, 1,765,929.90 and 578,631.80 is: 867,947.70
Step by Step Solution
- Step 1: Write the proportion equation
1,177,286.60 : 1,765,929.90 = 578,631.80 : x - Step 2: Convert to fraction form
1,177,286.60/1,765,929.90 = 578,631.80/x - Step 3: Cross multiply
1,177,286.60x = 1,765,929.90 × 578,631.80 - Step 4: Simplify right side
1,177,286.60x = 1,021,823,196,710.82 - Step 5: Solve for x
x = 1,021,823,196,710.82/1,177,286.60 - Step 6: Final answer
x = 867,947.70
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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.