Finding the Fourth Proportional to 1,106,789.70, 1,660,184.55 and 633,142.91
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Solution
The fourth proportional to 1,106,789.70, 1,660,184.55 and 633,142.91 is: 949,714.36
Step by Step Solution
- Step 1: Write the proportion equation
1,106,789.70 : 1,660,184.55 = 633,142.91 : x - Step 2: Convert to fraction form
1,106,789.70/1,660,184.55 = 633,142.91/x - Step 3: Cross multiply
1,106,789.70x = 1,660,184.55 × 633,142.91 - Step 4: Simplify right side
1,106,789.70x = 1,051,134,071,072.78 - Step 5: Solve for x
x = 1,051,134,071,072.78/1,106,789.70 - Step 6: Final answer
x = 949,714.36
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1.5x scale
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.