Finding the Fourth Proportional to 1,020,847.47, 1,408,850.88 and 591,135.18
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Solution
The fourth proportional to 1,020,847.47, 1,408,850.88 and 591,135.18 is: 815,813.67
Step by Step Solution
- Step 1: Write the proportion equation
1,020,847.47 : 1,408,850.88 = 591,135.18 : x - Step 2: Convert to fraction form
1,020,847.47/1,408,850.88 = 591,135.18/x - Step 3: Cross multiply
1,020,847.47x = 1,408,850.88 × 591,135.18 - Step 4: Simplify right side
1,020,847.47x = 832,821,318,541.96 - Step 5: Solve for x
x = 832,821,318,541.96/1,020,847.47 - Step 6: Final answer
x = 815,813.67
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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.