Finding the Fourth Proportional to 1,006,133.79, 1,388,463.62 and 576,415.63
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Solution
The fourth proportional to 1,006,133.79, 1,388,463.62 and 576,415.63 is: 795,452.99
Step by Step Solution
- Step 1: Write the proportion equation
1,006,133.79 : 1,388,463.62 = 576,415.63 : x - Step 2: Convert to fraction form
1,006,133.79/1,388,463.62 = 576,415.63/x - Step 3: Cross multiply
1,006,133.79x = 1,388,463.62 × 576,415.63 - Step 4: Simplify right side
1,006,133.79x = 800,332,132,254.38 - Step 5: Solve for x
x = 800,332,132,254.38/1,006,133.79 - Step 6: Final answer
x = 795,452.99
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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.