Finding the Fourth Proportional to 1,390,352.70, 2,085,723.45 and 591,627.90
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Solution
The fourth proportional to 1,390,352.70, 2,085,723.45 and 591,627.90 is: 887,524.57
Step by Step Solution
- Step 1: Write the proportion equation
1,390,352.70 : 2,085,723.45 = 591,627.90 : x - Step 2: Convert to fraction form
1,390,352.70/2,085,723.45 = 591,627.90/x - Step 3: Cross multiply
1,390,352.70x = 2,085,723.45 × 591,627.90 - Step 4: Simplify right side
1,390,352.70x = 1,233,972,184,704.26 - Step 5: Solve for x
x = 1,233,972,184,704.26/1,390,352.70 - Step 6: Final answer
x = 887,524.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.