Finding the Fourth Proportional to 1,266,067.64, 1,747,173.40 and 693,107.81
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Solution
The fourth proportional to 1,266,067.64, 1,747,173.40 and 693,107.81 is: 956,488.81
Step by Step Solution
- Step 1: Write the proportion equation
1,266,067.64 : 1,747,173.40 = 693,107.81 : x - Step 2: Convert to fraction form
1,266,067.64/1,747,173.40 = 693,107.81/x - Step 3: Cross multiply
1,266,067.64x = 1,747,173.40 × 693,107.81 - Step 4: Simplify right side
1,266,067.64x = 1,210,979,528,964.25 - Step 5: Solve for x
x = 1,210,979,528,964.25/1,266,067.64 - Step 6: Final answer
x = 956,488.81
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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.