Finding the Fourth Proportional to 1,445,722.66, 1,994,443.05 and 872,579.62
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Solution
The fourth proportional to 1,445,722.66, 1,994,443.05 and 872,579.62 is: 1,203,765.01
Step by Step Solution
- Step 1: Write the proportion equation
1,445,722.66 : 1,994,443.05 = 872,579.62 : x - Step 2: Convert to fraction form
1,445,722.66/1,994,443.05 = 872,579.62/x - Step 3: Cross multiply
1,445,722.66x = 1,994,443.05 × 872,579.62 - Step 4: Simplify right side
1,445,722.66x = 1,740,310,358,680.64 - Step 5: Solve for x
x = 1,740,310,358,680.64/1,445,722.66 - Step 6: Final answer
x = 1,203,765.01
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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.