Finding the Fourth Proportional to 1,199,485.44, 1,655,130 and 770,346.84
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Solution
The fourth proportional to 1,199,485.44, 1,655,130 and 770,346.84 is: 1,062,975.94
Step by Step Solution
- Step 1: Write the proportion equation
1,199,485.44 : 1,655,130 = 770,346.84 : x - Step 2: Convert to fraction form
1,199,485.44/1,655,130 = 770,346.84/x - Step 3: Cross multiply
1,199,485.44x = 1,655,130 × 770,346.84 - Step 4: Simplify right side
1,199,485.44x = 1,275,024,165,289.20 - Step 5: Solve for x
x = 1,275,024,165,289.20/1,199,485.44 - Step 6: Final answer
x = 1,062,975.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.