Finding the Fourth Proportional to 1,313,252.01, 1,969,938.36 and 402,369.21
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Solution
The fourth proportional to 1,313,252.01, 1,969,938.36 and 402,369.21 is: 603,572.30
Step by Step Solution
- Step 1: Write the proportion equation
1,313,252.01 : 1,969,938.36 = 402,369.21 : x - Step 2: Convert to fraction form
1,313,252.01/1,969,938.36 = 402,369.21/x - Step 3: Cross multiply
1,313,252.01x = 1,969,938.36 × 402,369.21 - Step 4: Simplify right side
1,313,252.01x = 792,642,541,661.90 - Step 5: Solve for x
x = 792,642,541,661.90/1,313,252.01 - Step 6: Final answer
x = 603,572.30
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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.