Finding the Fourth Proportional to 1,125,528.36, 1,553,376.96 and 641,982.48
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Solution
The fourth proportional to 1,125,528.36, 1,553,376.96 and 641,982.48 is: 886,020.14
Step by Step Solution
- Step 1: Write the proportion equation
1,125,528.36 : 1,553,376.96 = 641,982.48 : x - Step 2: Convert to fraction form
1,125,528.36/1,553,376.96 = 641,982.48/x - Step 3: Cross multiply
1,125,528.36x = 1,553,376.96 × 641,982.48 - Step 4: Simplify right side
1,125,528.36x = 997,240,793,155.66 - Step 5: Solve for x
x = 997,240,793,155.66/1,125,528.36 - Step 6: Final answer
x = 886,020.14
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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.