Finding the Fourth Proportional to 1,400,638.44, 2,101,613.76 and 690,278.97
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Solution
The fourth proportional to 1,400,638.44, 2,101,613.76 and 690,278.97 is: 1,035,741.80
Step by Step Solution
- Step 1: Write the proportion equation
1,400,638.44 : 2,101,613.76 = 690,278.97 : x - Step 2: Convert to fraction form
1,400,638.44/2,101,613.76 = 690,278.97/x - Step 3: Cross multiply
1,400,638.44x = 2,101,613.76 × 690,278.97 - Step 4: Simplify right side
1,400,638.44x = 1,450,699,781,590.63 - Step 5: Solve for x
x = 1,450,699,781,590.63/1,400,638.44 - Step 6: Final answer
x = 1,035,741.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.