Finding the Fourth Proportional to 1,318,589.76, 1,975,325.42 and 971,743.32
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Solution
The fourth proportional to 1,318,589.76, 1,975,325.42 and 971,743.32 is: 1,455,728.95
Step by Step Solution
- Step 1: Write the proportion equation
1,318,589.76 : 1,975,325.42 = 971,743.32 : x - Step 2: Convert to fraction form
1,318,589.76/1,975,325.42 = 971,743.32/x - Step 3: Cross multiply
1,318,589.76x = 1,975,325.42 × 971,743.32 - Step 4: Simplify right side
1,318,589.76x = 1,919,509,281,711.19 - Step 5: Solve for x
x = 1,919,509,281,711.19/1,318,589.76 - Step 6: Final answer
x = 1,455,728.95
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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.