Finding the Fourth Proportional to 1,118,841.90, 1,677,527.58 and 542,312.60
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Solution
The fourth proportional to 1,118,841.90, 1,677,527.58 and 542,312.60 is: 813,112.50
Step by Step Solution
- Step 1: Write the proportion equation
1,118,841.90 : 1,677,527.58 = 542,312.60 : x - Step 2: Convert to fraction form
1,118,841.90/1,677,527.58 = 542,312.60/x - Step 3: Cross multiply
1,118,841.90x = 1,677,527.58 × 542,312.60 - Step 4: Simplify right side
1,118,841.90x = 909,744,335,093.87 - Step 5: Solve for x
x = 909,744,335,093.87/1,118,841.90 - Step 6: Final answer
x = 813,112.50
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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.