Finding the Fourth Proportional to 1,554,193.13, 2,331,420.93 and 432,262.13
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Solution
The fourth proportional to 1,554,193.13, 2,331,420.93 and 432,262.13 is: 648,429.69
Step by Step Solution
- Step 1: Write the proportion equation
1,554,193.13 : 2,331,420.93 = 432,262.13 : x - Step 2: Convert to fraction form
1,554,193.13/2,331,420.93 = 432,262.13/x - Step 3: Cross multiply
1,554,193.13x = 2,331,420.93 × 432,262.13 - Step 4: Simplify right side
1,554,193.13x = 1,007,784,965,471.28 - Step 5: Solve for x
x = 1,007,784,965,471.28/1,554,193.13 - Step 6: Final answer
x = 648,429.69
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1.5x scale
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.