Finding the Fourth Proportional to 1,125,669.14, 1,553,407.94 and 616,371.46
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Solution
The fourth proportional to 1,125,669.14, 1,553,407.94 and 616,371.46 is: 850,584.14
Step by Step Solution
- Step 1: Write the proportion equation
1,125,669.14 : 1,553,407.94 = 616,371.46 : x - Step 2: Convert to fraction form
1,125,669.14/1,553,407.94 = 616,371.46/x - Step 3: Cross multiply
1,125,669.14x = 1,553,407.94 × 616,371.46 - Step 4: Simplify right side
1,125,669.14x = 957,476,319,953.39 - Step 5: Solve for x
x = 957,476,319,953.39/1,125,669.14 - Step 6: Final answer
x = 850,584.14
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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.