Finding the Fourth Proportional to 1,288,764.08, 1,932,405.36 and 531,128.60
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Solution
The fourth proportional to 1,288,764.08, 1,932,405.36 and 531,128.60 is: 796,387.62
Step by Step Solution
- Step 1: Write the proportion equation
1,288,764.08 : 1,932,405.36 = 531,128.60 : x - Step 2: Convert to fraction form
1,288,764.08/1,932,405.36 = 531,128.60/x - Step 3: Cross multiply
1,288,764.08x = 1,932,405.36 × 531,128.60 - Step 4: Simplify right side
1,288,764.08x = 1,026,355,753,489.30 - Step 5: Solve for x
x = 1,026,355,753,489.30/1,288,764.08 - Step 6: Final answer
x = 796,387.62
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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.