Finding the Fourth Proportional to 1,051,536.96, 1,451,150.10 and 643,630.68
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Solution
The fourth proportional to 1,051,536.96, 1,451,150.10 and 643,630.68 is: 888,228.15
Step by Step Solution
- Step 1: Write the proportion equation
1,051,536.96 : 1,451,150.10 = 643,630.68 : x - Step 2: Convert to fraction form
1,051,536.96/1,451,150.10 = 643,630.68/x - Step 3: Cross multiply
1,051,536.96x = 1,451,150.10 × 643,630.68 - Step 4: Simplify right side
1,051,536.96x = 934,004,725,645.07 - Step 5: Solve for x
x = 934,004,725,645.07/1,051,536.96 - Step 6: Final answer
x = 888,228.15
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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.