Finding the Fourth Proportional to 1,234,173.24, 1,703,316.80 and 690,339.24
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Solution
The fourth proportional to 1,234,173.24, 1,703,316.80 and 690,339.24 is: 952,756.38
Step by Step Solution
- Step 1: Write the proportion equation
1,234,173.24 : 1,703,316.80 = 690,339.24 : x - Step 2: Convert to fraction form
1,234,173.24/1,703,316.80 = 690,339.24/x - Step 3: Cross multiply
1,234,173.24x = 1,703,316.80 × 690,339.24 - Step 4: Simplify right side
1,234,173.24x = 1,175,866,426,917.08 - Step 5: Solve for x
x = 1,175,866,426,917.08/1,234,173.24 - Step 6: Final answer
x = 952,756.38
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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.