Finding the Fourth Proportional to 1,234,675.17, 1,703,936.21 and 690,862.53
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Solution
The fourth proportional to 1,234,675.17, 1,703,936.21 and 690,862.53 is: 953,437.56
Step by Step Solution
- Step 1: Write the proportion equation
1,234,675.17 : 1,703,936.21 = 690,862.53 : x - Step 2: Convert to fraction form
1,234,675.17/1,703,936.21 = 690,862.53/x - Step 3: Cross multiply
1,234,675.17x = 1,703,936.21 × 690,862.53 - Step 4: Simplify right side
1,234,675.17x = 1,177,185,680,999.21 - Step 5: Solve for x
x = 1,177,185,680,999.21/1,234,675.17 - Step 6: Final answer
x = 953,437.56
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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.