Finding the Fourth Proportional to 1,185,115.59, 1,635,454.99 and 641,252.43
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Solution
The fourth proportional to 1,185,115.59, 1,635,454.99 and 641,252.43 is: 884,925.91
Step by Step Solution
- Step 1: Write the proportion equation
1,185,115.59 : 1,635,454.99 = 641,252.43 : x - Step 2: Convert to fraction form
1,185,115.59/1,635,454.99 = 641,252.43/x - Step 3: Cross multiply
1,185,115.59x = 1,635,454.99 × 641,252.43 - Step 4: Simplify right side
1,185,115.59x = 1,048,739,486,493.13 - Step 5: Solve for x
x = 1,048,739,486,493.13/1,185,115.59 - Step 6: Final answer
x = 884,925.91
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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.