Finding the Fourth Proportional to 1,226,511.07, 1,692,568.29 and 682,647.08
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Solution
The fourth proportional to 1,226,511.07, 1,692,568.29 and 682,647.08 is: 942,043.52
Step by Step Solution
- Step 1: Write the proportion equation
1,226,511.07 : 1,692,568.29 = 682,647.08 : x - Step 2: Convert to fraction form
1,226,511.07/1,692,568.29 = 682,647.08/x - Step 3: Cross multiply
1,226,511.07x = 1,692,568.29 × 682,647.08 - Step 4: Simplify right side
1,226,511.07x = 1,155,426,800,869.09 - Step 5: Solve for x
x = 1,155,426,800,869.09/1,226,511.07 - Step 6: Final answer
x = 942,043.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.