Finding the Fourth Proportional to 1,179,445.07, 1,766,574.38 and 974,720.99
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Solution
The fourth proportional to 1,179,445.07, 1,766,574.38 and 974,720.99 is: 1,459,938.38
Step by Step Solution
- Step 1: Write the proportion equation
1,179,445.07 : 1,766,574.38 = 974,720.99 : x - Step 2: Convert to fraction form
1,179,445.07/1,766,574.38 = 974,720.99/x - Step 3: Cross multiply
1,179,445.07x = 1,766,574.38 × 974,720.99 - Step 4: Simplify right side
1,179,445.07x = 1,721,917,122,186.17 - Step 5: Solve for x
x = 1,721,917,122,186.17/1,179,445.07 - Step 6: Final answer
x = 1,459,938.38
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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.