Finding the Fourth Proportional to 1,145,387.48, 1,717,322.88 and 546,441.08
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Solution
The fourth proportional to 1,145,387.48, 1,717,322.88 and 546,441.08 is: 819,299.83
Step by Step Solution
- Step 1: Write the proportion equation
1,145,387.48 : 1,717,322.88 = 546,441.08 : x - Step 2: Convert to fraction form
1,145,387.48/1,717,322.88 = 546,441.08/x - Step 3: Cross multiply
1,145,387.48x = 1,717,322.88 × 546,441.08 - Step 4: Simplify right side
1,145,387.48x = 938,415,769,255.91 - Step 5: Solve for x
x = 938,415,769,255.91/1,145,387.48 - Step 6: Final answer
x = 819,299.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.