Finding the Fourth Proportional to 1,063,364.76, 1,467,438.12 and 579,921.12
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Solution
The fourth proportional to 1,063,364.76, 1,467,438.12 and 579,921.12 is: 800,288.28
Step by Step Solution
- Step 1: Write the proportion equation
1,063,364.76 : 1,467,438.12 = 579,921.12 : x - Step 2: Convert to fraction form
1,063,364.76/1,467,438.12 = 579,921.12/x - Step 3: Cross multiply
1,063,364.76x = 1,467,438.12 × 579,921.12 - Step 4: Simplify right side
1,063,364.76x = 850,998,358,081.10 - Step 5: Solve for x
x = 850,998,358,081.10/1,063,364.76 - Step 6: Final answer
x = 800,288.28
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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.