Finding the Fourth Proportional to 1,313,779.93, 1,970,964.74 and 415,273.93
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Solution
The fourth proportional to 1,313,779.93, 1,970,964.74 and 415,273.93 is: 623,004.09
Step by Step Solution
- Step 1: Write the proportion equation
1,313,779.93 : 1,970,964.74 = 415,273.93 : x - Step 2: Convert to fraction form
1,313,779.93/1,970,964.74 = 415,273.93/x - Step 3: Cross multiply
1,313,779.93x = 1,970,964.74 × 415,273.93 - Step 4: Simplify right side
1,313,779.93x = 818,490,271,394.86 - Step 5: Solve for x
x = 818,490,271,394.86/1,313,779.93 - Step 6: Final answer
x = 623,004.09
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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.