Finding the Fourth Proportional to 1,359,765.63, 1,876,480.34 and 747,981.09
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Solution
The fourth proportional to 1,359,765.63, 1,876,480.34 and 747,981.09 is: 1,032,215.98
Step by Step Solution
- Step 1: Write the proportion equation
1,359,765.63 : 1,876,480.34 = 747,981.09 : x - Step 2: Convert to fraction form
1,359,765.63/1,876,480.34 = 747,981.09/x - Step 3: Cross multiply
1,359,765.63x = 1,876,480.34 × 747,981.09 - Step 4: Simplify right side
1,359,765.63x = 1,403,571,806,336.87 - Step 5: Solve for x
x = 1,403,571,806,336.87/1,359,765.63 - Step 6: Final answer
x = 1,032,215.98
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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.