Finding the Fourth Proportional to 1,125,509.58, 1,553,203.26 and 616,212
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Solution
The fourth proportional to 1,125,509.58, 1,553,203.26 and 616,212 is: 850,372.58
Step by Step Solution
- Step 1: Write the proportion equation
1,125,509.58 : 1,553,203.26 = 616,212 : x - Step 2: Convert to fraction form
1,125,509.58/1,553,203.26 = 616,212/x - Step 3: Cross multiply
1,125,509.58x = 1,553,203.26 × 616,212 - Step 4: Simplify right side
1,125,509.58x = 957,102,487,251.12 - Step 5: Solve for x
x = 957,102,487,251.12/1,125,509.58 - Step 6: Final answer
x = 850,372.58
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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.