Finding the Fourth Proportional to 1,094,958.70, 1,510,175.55 and 665,226.70
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Solution
The fourth proportional to 1,094,958.70, 1,510,175.55 and 665,226.70 is: 917,485.84
Step by Step Solution
- Step 1: Write the proportion equation
1,094,958.70 : 1,510,175.55 = 665,226.70 : x - Step 2: Convert to fraction form
1,094,958.70/1,510,175.55 = 665,226.70/x - Step 3: Cross multiply
1,094,958.70x = 1,510,175.55 × 665,226.70 - Step 4: Simplify right side
1,094,958.70x = 1,004,609,097,547.19 - Step 5: Solve for x
x = 1,004,609,097,547.19/1,094,958.70 - Step 6: Final answer
x = 917,485.84
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1.5x scale
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.