Finding the Fourth Proportional to 1,176,930.48, 1,624,116.24 and 667,621.92
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Solution
The fourth proportional to 1,176,930.48, 1,624,116.24 and 667,621.92 is: 921,291.12
Step by Step Solution
- Step 1: Write the proportion equation
1,176,930.48 : 1,624,116.24 = 667,621.92 : x - Step 2: Convert to fraction form
1,176,930.48/1,624,116.24 = 667,621.92/x - Step 3: Cross multiply
1,176,930.48x = 1,624,116.24 × 667,621.92 - Step 4: Simplify right side
1,176,930.48x = 1,084,295,602,451.98 - Step 5: Solve for x
x = 1,084,295,602,451.98/1,176,930.48 - Step 6: Final answer
x = 921,291.12
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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.