Finding the Fourth Proportional to 1,041,485.60, 1,563,394.80 and 805,872.80
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Solution
The fourth proportional to 1,041,485.60, 1,563,394.80 and 805,872.80 is: 1,209,711.73
Step by Step Solution
- Step 1: Write the proportion equation
1,041,485.60 : 1,563,394.80 = 805,872.80 : x - Step 2: Convert to fraction form
1,041,485.60/1,563,394.80 = 805,872.80/x - Step 3: Cross multiply
1,041,485.60x = 1,563,394.80 × 805,872.80 - Step 4: Simplify right side
1,041,485.60x = 1,259,897,344,981.44 - Step 5: Solve for x
x = 1,259,897,344,981.44/1,041,485.60 - Step 6: Final answer
x = 1,209,711.73
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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.