Finding the Fourth Proportional to 1,348,469.36, 1,860,944.28 and 775,509.99
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Solution
The fourth proportional to 1,348,469.36, 1,860,944.28 and 775,509.99 is: 1,070,236.32
Step by Step Solution
- Step 1: Write the proportion equation
1,348,469.36 : 1,860,944.28 = 775,509.99 : x - Step 2: Convert to fraction form
1,348,469.36/1,860,944.28 = 775,509.99/x - Step 3: Cross multiply
1,348,469.36x = 1,860,944.28 × 775,509.99 - Step 4: Simplify right side
1,348,469.36x = 1,443,180,879,973.36 - Step 5: Solve for x
x = 1,443,180,879,973.36/1,348,469.36 - Step 6: Final answer
x = 1,070,236.32
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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.