Finding the Fourth Proportional to 1,247,766.60, 1,721,735.82 and 703,926.12
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Solution
The fourth proportional to 1,247,766.60, 1,721,735.82 and 703,926.12 is: 971,315.32
Step by Step Solution
- Step 1: Write the proportion equation
1,247,766.60 : 1,721,735.82 = 703,926.12 : x - Step 2: Convert to fraction form
1,247,766.60/1,721,735.82 = 703,926.12/x - Step 3: Cross multiply
1,247,766.60x = 1,721,735.82 × 703,926.12 - Step 4: Simplify right side
1,247,766.60x = 1,211,974,815,437.62 - Step 5: Solve for x
x = 1,211,974,815,437.62/1,247,766.60 - Step 6: Final answer
x = 971,315.32
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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.