Finding the Fourth Proportional to 1,124,189.62, 1,686,306.30 and 413,852.02
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Solution
The fourth proportional to 1,124,189.62, 1,686,306.30 and 413,852.02 is: 620,786.07
Step by Step Solution
- Step 1: Write the proportion equation
1,124,189.62 : 1,686,306.30 = 413,852.02 : x - Step 2: Convert to fraction form
1,124,189.62/1,686,306.30 = 413,852.02/x - Step 3: Cross multiply
1,124,189.62x = 1,686,306.30 × 413,852.02 - Step 4: Simplify right side
1,124,189.62x = 697,881,258,092.94 - Step 5: Solve for x
x = 697,881,258,092.94/1,124,189.62 - Step 6: Final answer
x = 620,786.07
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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.