Finding the Fourth Proportional to 1,439,756.07, 2,159,896.55 and 720,473.91
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Solution
The fourth proportional to 1,439,756.07, 2,159,896.55 and 720,473.91 is: 1,080,842.20
Step by Step Solution
- Step 1: Write the proportion equation
1,439,756.07 : 2,159,896.55 = 720,473.91 : x - Step 2: Convert to fraction form
1,439,756.07/2,159,896.55 = 720,473.91/x - Step 3: Cross multiply
1,439,756.07x = 2,159,896.55 × 720,473.91 - Step 4: Simplify right side
1,439,756.07x = 1,556,149,114,375.20 - Step 5: Solve for x
x = 1,556,149,114,375.20/1,439,756.07 - Step 6: Final answer
x = 1,080,842.20
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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.