Finding the Fourth Proportional to 1,118,424.51, 1,677,885.84 and 408,451.41
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Solution
The fourth proportional to 1,118,424.51, 1,677,885.84 and 408,451.41 is: 612,768.08
Step by Step Solution
- Step 1: Write the proportion equation
1,118,424.51 : 1,677,885.84 = 408,451.41 : x - Step 2: Convert to fraction form
1,118,424.51/1,677,885.84 = 408,451.41/x - Step 3: Cross multiply
1,118,424.51x = 1,677,885.84 × 408,451.41 - Step 4: Simplify right side
1,118,424.51x = 685,334,837,167.03 - Step 5: Solve for x
x = 685,334,837,167.03/1,118,424.51 - Step 6: Final answer
x = 612,768.08
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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.