Finding the Fourth Proportional to 1,334,690.75, 1,841,864.10 and 722,829.44
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Solution
The fourth proportional to 1,334,690.75, 1,841,864.10 and 722,829.44 is: 997,499.68
Step by Step Solution
- Step 1: Write the proportion equation
1,334,690.75 : 1,841,864.10 = 722,829.44 : x - Step 2: Convert to fraction form
1,334,690.75/1,841,864.10 = 722,829.44/x - Step 3: Cross multiply
1,334,690.75x = 1,841,864.10 × 722,829.44 - Step 4: Simplify right side
1,334,690.75x = 1,331,353,586,749.78 - Step 5: Solve for x
x = 1,331,353,586,749.78/1,334,690.75 - Step 6: Final answer
x = 997,499.68
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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.