Finding the Fourth Proportional to 1,790,604.64, 2,685,615.36 and 725,603.68
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Solution
The fourth proportional to 1,790,604.64, 2,685,615.36 and 725,603.68 is: 1,088,287.36
Step by Step Solution
- Step 1: Write the proportion equation
1,790,604.64 : 2,685,615.36 = 725,603.68 : x - Step 2: Convert to fraction form
1,790,604.64/2,685,615.36 = 725,603.68/x - Step 3: Cross multiply
1,790,604.64x = 2,685,615.36 × 725,603.68 - Step 4: Simplify right side
1,790,604.64x = 1,948,692,388,280.53 - Step 5: Solve for x
x = 1,948,692,388,280.53/1,790,604.64 - Step 6: Final answer
x = 1,088,287.36
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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.