Finding the Fourth Proportional to 1,173,576.69, 1,619,574.35 and 664,268.13
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Solution
The fourth proportional to 1,173,576.69, 1,619,574.35 and 664,268.13 is: 916,711.82
Step by Step Solution
- Step 1: Write the proportion equation
1,173,576.69 : 1,619,574.35 = 664,268.13 : x - Step 2: Convert to fraction form
1,173,576.69/1,619,574.35 = 664,268.13/x - Step 3: Cross multiply
1,173,576.69x = 1,619,574.35 × 664,268.13 - Step 4: Simplify right side
1,173,576.69x = 1,075,831,621,549.12 - Step 5: Solve for x
x = 1,075,831,621,549.12/1,173,576.69 - Step 6: Final answer
x = 916,711.82
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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.