Finding the Fourth Proportional to 1,087,786.08, 1,501,056.68 and 628,930.12
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Solution
The fourth proportional to 1,087,786.08, 1,501,056.68 and 628,930.12 is: 867,872.62
Step by Step Solution
- Step 1: Write the proportion equation
1,087,786.08 : 1,501,056.68 = 628,930.12 : x - Step 2: Convert to fraction form
1,087,786.08/1,501,056.68 = 628,930.12/x - Step 3: Cross multiply
1,087,786.08x = 1,501,056.68 × 628,930.12 - Step 4: Simplify right side
1,087,786.08x = 944,059,754,734.55 - Step 5: Solve for x
x = 944,059,754,734.55/1,087,786.08 - Step 6: Final answer
x = 867,872.62
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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.