Finding the Fourth Proportional to 971,591.87, 1,340,102.53 and 842,299.15
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Solution
The fourth proportional to 971,591.87, 1,340,102.53 and 842,299.15 is: 1,161,770.96
Step by Step Solution
- Step 1: Write the proportion equation
971,591.87 : 1,340,102.53 = 842,299.15 : x - Step 2: Convert to fraction form
971,591.87/1,340,102.53 = 842,299.15/x - Step 3: Cross multiply
971,591.87x = 1,340,102.53 × 842,299.15 - Step 4: Simplify right side
971,591.87x = 1,128,767,221,931.85 - Step 5: Solve for x
x = 1,128,767,221,931.85/971,591.87 - Step 6: Final answer
x = 1,161,770.96
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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.