Finding the Fourth Proportional to 1,230,140.71, 1,843,715.08 and 870,415.21
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Solution
The fourth proportional to 1,230,140.71, 1,843,715.08 and 870,415.21 is: 1,304,564.30
Step by Step Solution
- Step 1: Write the proportion equation
1,230,140.71 : 1,843,715.08 = 870,415.21 : x - Step 2: Convert to fraction form
1,230,140.71/1,843,715.08 = 870,415.21/x - Step 3: Cross multiply
1,230,140.71x = 1,843,715.08 × 870,415.21 - Step 4: Simplify right side
1,230,140.71x = 1,604,797,648,538.37 - Step 5: Solve for x
x = 1,604,797,648,538.37/1,230,140.71 - Step 6: Final answer
x = 1,304,564.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.