Finding the Fourth Proportional to 1,125,371.12, 1,553,012.19 and 616,073.49
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Solution
The fourth proportional to 1,125,371.12, 1,553,012.19 and 616,073.49 is: 850,181.44
Step by Step Solution
- Step 1: Write the proportion equation
1,125,371.12 : 1,553,012.19 = 616,073.49 : x - Step 2: Convert to fraction form
1,125,371.12/1,553,012.19 = 616,073.49/x - Step 3: Cross multiply
1,125,371.12x = 1,553,012.19 × 616,073.49 - Step 4: Simplify right side
1,125,371.12x = 956,769,639,905.84 - Step 5: Solve for x
x = 956,769,639,905.84/1,125,371.12 - Step 6: Final answer
x = 850,181.44
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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.