Finding the Fourth Proportional to 1,039,974.36, 1,435,174.12 and 610,261.68
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Solution
The fourth proportional to 1,039,974.36, 1,435,174.12 and 610,261.68 is: 842,166.69
Step by Step Solution
- Step 1: Write the proportion equation
1,039,974.36 : 1,435,174.12 = 610,261.68 : x - Step 2: Convert to fraction form
1,039,974.36/1,435,174.12 = 610,261.68/x - Step 3: Cross multiply
1,039,974.36x = 1,435,174.12 × 610,261.68 - Step 4: Simplify right side
1,039,974.36x = 875,831,769,563.72 - Step 5: Solve for x
x = 875,831,769,563.72/1,039,974.36 - Step 6: Final answer
x = 842,166.69
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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.