Finding the Fourth Proportional to 959,947.20, 1,436,421.60 and 875,966.40
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Solution
The fourth proportional to 959,947.20, 1,436,421.60 and 875,966.40 is: 1,310,756.53
Step by Step Solution
- Step 1: Write the proportion equation
959,947.20 : 1,436,421.60 = 875,966.40 : x - Step 2: Convert to fraction form
959,947.20/1,436,421.60 = 875,966.40/x - Step 3: Cross multiply
959,947.20x = 1,436,421.60 × 875,966.40 - Step 4: Simplify right side
959,947.20x = 1,258,257,057,834.24 - Step 5: Solve for x
x = 1,258,257,057,834.24/959,947.20 - Step 6: Final answer
x = 1,310,756.53
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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.