Finding the Fourth Proportional to 1,118,016.24, 1,542,828.68 and 621,298.44
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Solution
The fourth proportional to 1,118,016.24, 1,542,828.68 and 621,298.44 is: 857,373.10
Step by Step Solution
- Step 1: Write the proportion equation
1,118,016.24 : 1,542,828.68 = 621,298.44 : x - Step 2: Convert to fraction form
1,118,016.24/1,542,828.68 = 621,298.44/x - Step 3: Cross multiply
1,118,016.24x = 1,542,828.68 × 621,298.44 - Step 4: Simplify right side
1,118,016.24x = 958,557,052,071.26 - Step 5: Solve for x
x = 958,557,052,071.26/1,118,016.24 - Step 6: Final answer
x = 857,373.10
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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.