Finding the Fourth Proportional to 1,314,226.56, 1,971,582.84 and 415,894.44
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Solution
The fourth proportional to 1,314,226.56, 1,971,582.84 and 415,894.44 is: 623,918.56
Step by Step Solution
- Step 1: Write the proportion equation
1,314,226.56 : 1,971,582.84 = 415,894.44 : x - Step 2: Convert to fraction form
1,314,226.56/1,971,582.84 = 415,894.44/x - Step 3: Cross multiply
1,314,226.56x = 1,971,582.84 × 415,894.44 - Step 4: Simplify right side
1,314,226.56x = 819,970,341,155.41 - Step 5: Solve for x
x = 819,970,341,155.41/1,314,226.56 - Step 6: Final answer
x = 623,918.56
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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.