Finding the Fourth Proportional to 1,190,969.16, 1,785,449.55 and 516,542.70
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Solution
The fourth proportional to 1,190,969.16, 1,785,449.55 and 516,542.70 is: 774,378.52
Step by Step Solution
- Step 1: Write the proportion equation
1,190,969.16 : 1,785,449.55 = 516,542.70 : x - Step 2: Convert to fraction form
1,190,969.16/1,785,449.55 = 516,542.70/x - Step 3: Cross multiply
1,190,969.16x = 1,785,449.55 × 516,542.70 - Step 4: Simplify right side
1,190,969.16x = 922,260,931,270.79 - Step 5: Solve for x
x = 922,260,931,270.79/1,190,969.16 - Step 6: Final answer
x = 774,378.52
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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.