Finding the Fourth Proportional to 1,230,799.84, 1,698,589.14 and 687,041.56
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Solution
The fourth proportional to 1,230,799.84, 1,698,589.14 and 687,041.56 is: 948,165.00
Step by Step Solution
- Step 1: Write the proportion equation
1,230,799.84 : 1,698,589.14 = 687,041.56 : x - Step 2: Convert to fraction form
1,230,799.84/1,698,589.14 = 687,041.56/x - Step 3: Cross multiply
1,230,799.84x = 1,698,589.14 × 687,041.56 - Step 4: Simplify right side
1,230,799.84x = 1,167,001,332,544.66 - Step 5: Solve for x
x = 1,167,001,332,544.66/1,230,799.84 - Step 6: Final answer
x = 948,165.00
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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.