Finding the Fourth Proportional to 905,760.18, 1,356,868.80 and 746,065.44
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Solution
The fourth proportional to 905,760.18, 1,356,868.80 and 746,065.44 is: 1,117,639.02
Step by Step Solution
- Step 1: Write the proportion equation
905,760.18 : 1,356,868.80 = 746,065.44 : x - Step 2: Convert to fraction form
905,760.18/1,356,868.80 = 746,065.44/x - Step 3: Cross multiply
905,760.18x = 1,356,868.80 × 746,065.44 - Step 4: Simplify right side
905,760.18x = 1,012,312,918,294.27 - Step 5: Solve for x
x = 1,012,312,918,294.27/905,760.18 - Step 6: Final answer
x = 1,117,639.02
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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.