Finding the Fourth Proportional to 1,310,126.14, 1,808,009.40 and 737,186.68
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Solution
The fourth proportional to 1,310,126.14, 1,808,009.40 and 737,186.68 is: 1,017,337.50
Step by Step Solution
- Step 1: Write the proportion equation
1,310,126.14 : 1,808,009.40 = 737,186.68 : x - Step 2: Convert to fraction form
1,310,126.14/1,808,009.40 = 737,186.68/x - Step 3: Cross multiply
1,310,126.14x = 1,808,009.40 × 737,186.68 - Step 4: Simplify right side
1,310,126.14x = 1,332,840,446,994.79 - Step 5: Solve for x
x = 1,332,840,446,994.79/1,310,126.14 - Step 6: Final answer
x = 1,017,337.50
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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.