Finding the Fourth Proportional to 1,063,709.91, 1,587,268.44 and 949,069.62
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Solution
The fourth proportional to 1,063,709.91, 1,587,268.44 and 949,069.62 is: 1,416,202.14
Step by Step Solution
- Step 1: Write the proportion equation
1,063,709.91 : 1,587,268.44 = 949,069.62 : x - Step 2: Convert to fraction form
1,063,709.91/1,587,268.44 = 949,069.62/x - Step 3: Cross multiply
1,063,709.91x = 1,587,268.44 × 949,069.62 - Step 4: Simplify right side
1,063,709.91x = 1,506,428,255,188.79 - Step 5: Solve for x
x = 1,506,428,255,188.79/1,063,709.91 - Step 6: Final answer
x = 1,416,202.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.