Finding the Fourth Proportional to 1,361,204.25, 2,043,068.10 and 687,758.87
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Solution
The fourth proportional to 1,361,204.25, 2,043,068.10 and 687,758.87 is: 1,032,275.80
Step by Step Solution
- Step 1: Write the proportion equation
1,361,204.25 : 2,043,068.10 = 687,758.87 : x - Step 2: Convert to fraction form
1,361,204.25/2,043,068.10 = 687,758.87/x - Step 3: Cross multiply
1,361,204.25x = 2,043,068.10 × 687,758.87 - Step 4: Simplify right side
1,361,204.25x = 1,405,138,204,350.25 - Step 5: Solve for x
x = 1,405,138,204,350.25/1,361,204.25 - Step 6: Final answer
x = 1,032,275.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.