Finding the Fourth Proportional to 1,125,999.36, 1,553,916.48 and 616,729.92
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Solution
The fourth proportional to 1,125,999.36, 1,553,916.48 and 616,729.92 is: 851,107.75
Step by Step Solution
- Step 1: Write the proportion equation
1,125,999.36 : 1,553,916.48 = 616,729.92 : x - Step 2: Convert to fraction form
1,125,999.36/1,553,916.48 = 616,729.92/x - Step 3: Cross multiply
1,125,999.36x = 1,553,916.48 × 616,729.92 - Step 4: Simplify right side
1,125,999.36x = 958,346,786,397.08 - Step 5: Solve for x
x = 958,346,786,397.08/1,125,999.36 - Step 6: Final answer
x = 851,107.75
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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.