Finding the Fourth Proportional to 1,301,796.99, 1,944,779.04 and 842,647.88
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Solution
The fourth proportional to 1,301,796.99, 1,944,779.04 and 842,647.88 is: 1,258,847.54
Step by Step Solution
- Step 1: Write the proportion equation
1,301,796.99 : 1,944,779.04 = 842,647.88 : x - Step 2: Convert to fraction form
1,301,796.99/1,944,779.04 = 842,647.88/x - Step 3: Cross multiply
1,301,796.99x = 1,944,779.04 × 842,647.88 - Step 4: Simplify right side
1,301,796.99x = 1,638,763,939,986.38 - Step 5: Solve for x
x = 1,638,763,939,986.38/1,301,796.99 - Step 6: Final answer
x = 1,258,847.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.