Finding the Fourth Proportional to 1,442,881.93, 1,991,235.68 and 798,291.63
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Solution
The fourth proportional to 1,442,881.93, 1,991,235.68 and 798,291.63 is: 1,101,674.88
Step by Step Solution
- Step 1: Write the proportion equation
1,442,881.93 : 1,991,235.68 = 798,291.63 : x - Step 2: Convert to fraction form
1,442,881.93/1,991,235.68 = 798,291.63/x - Step 3: Cross multiply
1,442,881.93x = 1,991,235.68 × 798,291.63 - Step 4: Simplify right side
1,442,881.93x = 1,589,586,776,701.36 - Step 5: Solve for x
x = 1,589,586,776,701.36/1,442,881.93 - Step 6: Final answer
x = 1,101,674.88
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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.