Finding the Fourth Proportional to 1,172,257.36, 1,756,375.12 and 787,284.56
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Solution
The fourth proportional to 1,172,257.36, 1,756,375.12 and 787,284.56 is: 1,179,576.31
Step by Step Solution
- Step 1: Write the proportion equation
1,172,257.36 : 1,756,375.12 = 787,284.56 : x - Step 2: Convert to fraction form
1,172,257.36/1,756,375.12 = 787,284.56/x - Step 3: Cross multiply
1,172,257.36x = 1,756,375.12 × 787,284.56 - Step 4: Simplify right side
1,172,257.36x = 1,382,767,013,544.15 - Step 5: Solve for x
x = 1,382,767,013,544.15/1,172,257.36 - Step 6: Final answer
x = 1,179,576.31
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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.