Finding the Fourth Proportional to 1,284,188.08, 1,772,198.80 and 703,464.70
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Solution
The fourth proportional to 1,284,188.08, 1,772,198.80 and 703,464.70 is: 970,791.83
Step by Step Solution
- Step 1: Write the proportion equation
1,284,188.08 : 1,772,198.80 = 703,464.70 : x - Step 2: Convert to fraction form
1,284,188.08/1,772,198.80 = 703,464.70/x - Step 3: Cross multiply
1,284,188.08x = 1,772,198.80 × 703,464.70 - Step 4: Simplify right side
1,284,188.08x = 1,246,679,297,182.36 - Step 5: Solve for x
x = 1,246,679,297,182.36/1,284,188.08 - Step 6: Final answer
x = 970,791.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.