Finding the Fourth Proportional to 1,125,453.42, 1,553,130.27 and 616,203.18
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Solution
The fourth proportional to 1,125,453.42, 1,553,130.27 and 616,203.18 is: 850,362.88
Step by Step Solution
- Step 1: Write the proportion equation
1,125,453.42 : 1,553,130.27 = 616,203.18 : x - Step 2: Convert to fraction form
1,125,453.42/1,553,130.27 = 616,203.18/x - Step 3: Cross multiply
1,125,453.42x = 1,553,130.27 × 616,203.18 - Step 4: Simplify right side
1,125,453.42x = 957,043,811,328.26 - Step 5: Solve for x
x = 957,043,811,328.26/1,125,453.42 - Step 6: Final answer
x = 850,362.88
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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.