Finding the Fourth Proportional to 1,235,101.60, 1,704,470.48 and 691,233.12
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Solution
The fourth proportional to 1,235,101.60, 1,704,470.48 and 691,233.12 is: 953,918.65
Step by Step Solution
- Step 1: Write the proportion equation
1,235,101.60 : 1,704,470.48 = 691,233.12 : x - Step 2: Convert to fraction form
1,235,101.60/1,704,470.48 = 691,233.12/x - Step 3: Cross multiply
1,235,101.60x = 1,704,470.48 × 691,233.12 - Step 4: Simplify right side
1,235,101.60x = 1,178,186,447,838.30 - Step 5: Solve for x
x = 1,178,186,447,838.30/1,235,101.60 - Step 6: Final answer
x = 953,918.65
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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.