Finding the Fourth Proportional to 1,703,257.23, 2,553,856.76 and 678,745.10
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Solution
The fourth proportional to 1,703,257.23, 2,553,856.76 and 678,745.10 is: 1,017,707.56
Step by Step Solution
- Step 1: Write the proportion equation
1,703,257.23 : 2,553,856.76 = 678,745.10 : x - Step 2: Convert to fraction form
1,703,257.23/2,553,856.76 = 678,745.10/x - Step 3: Cross multiply
1,703,257.23x = 2,553,856.76 × 678,745.10 - Step 4: Simplify right side
1,703,257.23x = 1,733,417,770,033.38 - Step 5: Solve for x
x = 1,733,417,770,033.38/1,703,257.23 - Step 6: Final answer
x = 1,017,707.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.