Finding the Fourth Proportional to 1,234,536.48, 1,703,726.53 and 690,639.84
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Solution
The fourth proportional to 1,234,536.48, 1,703,726.53 and 690,639.84 is: 953,120.01
Step by Step Solution
- Step 1: Write the proportion equation
1,234,536.48 : 1,703,726.53 = 690,639.84 : x - Step 2: Convert to fraction form
1,234,536.48/1,703,726.53 = 690,639.84/x - Step 3: Cross multiply
1,234,536.48x = 1,703,726.53 × 690,639.84 - Step 4: Simplify right side
1,234,536.48x = 1,176,661,418,082.96 - Step 5: Solve for x
x = 1,176,661,418,082.96/1,234,536.48 - Step 6: Final answer
x = 953,120.01
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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.