Finding the Fourth Proportional to 1,176,927.24, 1,624,111.76 and 667,618.68
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Solution
The fourth proportional to 1,176,927.24, 1,624,111.76 and 667,618.68 is: 921,286.65
Step by Step Solution
- Step 1: Write the proportion equation
1,176,927.24 : 1,624,111.76 = 667,618.68 : x - Step 2: Convert to fraction form
1,176,927.24/1,624,111.76 = 667,618.68/x - Step 3: Cross multiply
1,176,927.24x = 1,624,111.76 × 667,618.68 - Step 4: Simplify right side
1,176,927.24x = 1,084,287,349,383.68 - Step 5: Solve for x
x = 1,084,287,349,383.68/1,176,927.24 - Step 6: Final answer
x = 921,286.65
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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.