Finding the Fourth Proportional to 1,118,987.84, 1,544,182.28 and 622,302.18
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Solution
The fourth proportional to 1,118,987.84, 1,544,182.28 and 622,302.18 is: 858,765.36
Step by Step Solution
- Step 1: Write the proportion equation
1,118,987.84 : 1,544,182.28 = 622,302.18 : x - Step 2: Convert to fraction form
1,118,987.84/1,544,182.28 = 622,302.18/x - Step 3: Cross multiply
1,118,987.84x = 1,544,182.28 × 622,302.18 - Step 4: Simplify right side
1,118,987.84x = 960,947,999,161.37 - Step 5: Solve for x
x = 960,947,999,161.37/1,118,987.84 - Step 6: Final answer
x = 858,765.36
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1.5x scale
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.