Finding the Fourth Proportional to 1,212,761.04, 1,674,266.40 and 729,434.08
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Solution
The fourth proportional to 1,212,761.04, 1,674,266.40 and 729,434.08 is: 1,007,013.69
Step by Step Solution
- Step 1: Write the proportion equation
1,212,761.04 : 1,674,266.40 = 729,434.08 : x - Step 2: Convert to fraction form
1,212,761.04/1,674,266.40 = 729,434.08/x - Step 3: Cross multiply
1,212,761.04x = 1,674,266.40 × 729,434.08 - Step 4: Simplify right side
1,212,761.04x = 1,221,266,971,158.91 - Step 5: Solve for x
x = 1,221,266,971,158.91/1,212,761.04 - Step 6: Final answer
x = 1,007,013.69
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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.