Finding the Fourth Proportional to 1,394,631.17, 2,091,943.32 and 787,144.08
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Solution
The fourth proportional to 1,394,631.17, 2,091,943.32 and 787,144.08 is: 1,180,714.19
Step by Step Solution
- Step 1: Write the proportion equation
1,394,631.17 : 2,091,943.32 = 787,144.08 : x - Step 2: Convert to fraction form
1,394,631.17/2,091,943.32 = 787,144.08/x - Step 3: Cross multiply
1,394,631.17x = 2,091,943.32 × 787,144.08 - Step 4: Simplify right side
1,394,631.17x = 1,646,660,800,033.55 - Step 5: Solve for x
x = 1,646,660,800,033.55/1,394,631.17 - Step 6: Final answer
x = 1,180,714.19
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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.