Finding the Fourth Proportional to 1,248,340.14, 1,724,472.99 and 993,365.10
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Solution
The fourth proportional to 1,248,340.14, 1,724,472.99 and 993,365.10 is: 1,372,247.22
Step by Step Solution
- Step 1: Write the proportion equation
1,248,340.14 : 1,724,472.99 = 993,365.10 : x - Step 2: Convert to fraction form
1,248,340.14/1,724,472.99 = 993,365.10/x - Step 3: Cross multiply
1,248,340.14x = 1,724,472.99 × 993,365.10 - Step 4: Simplify right side
1,248,340.14x = 1,713,031,284,158.65 - Step 5: Solve for x
x = 1,713,031,284,158.65/1,248,340.14 - Step 6: Final answer
x = 1,372,247.22
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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.