Finding the Fourth Proportional to 1,168,305.40, 1,752,458.10 and 717,564.70
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Solution
The fourth proportional to 1,168,305.40, 1,752,458.10 and 717,564.70 is: 1,076,347.05
Step by Step Solution
- Step 1: Write the proportion equation
1,168,305.40 : 1,752,458.10 = 717,564.70 : x - Step 2: Convert to fraction form
1,168,305.40/1,752,458.10 = 717,564.70/x - Step 3: Cross multiply
1,168,305.40x = 1,752,458.10 × 717,564.70 - Step 4: Simplify right side
1,168,305.40x = 1,257,502,070,789.07 - Step 5: Solve for x
x = 1,257,502,070,789.07/1,168,305.40 - Step 6: Final answer
x = 1,076,347.05
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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.