Finding the Fourth Proportional to 1,241,570.79, 1,864,718.28 and 771,540.75
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Solution
The fourth proportional to 1,241,570.79, 1,864,718.28 and 771,540.75 is: 1,158,778.99
Step by Step Solution
- Step 1: Write the proportion equation
1,241,570.79 : 1,864,718.28 = 771,540.75 : x - Step 2: Convert to fraction form
1,241,570.79/1,864,718.28 = 771,540.75/x - Step 3: Cross multiply
1,241,570.79x = 1,864,718.28 × 771,540.75 - Step 4: Simplify right side
1,241,570.79x = 1,438,706,140,289.91 - Step 5: Solve for x
x = 1,438,706,140,289.91/1,241,570.79 - Step 6: Final answer
x = 1,158,778.99
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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.