Finding the Fourth Proportional to 1,052,291.91, 1,452,557.73 and 689,739.12
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Solution
The fourth proportional to 1,052,291.91, 1,452,557.73 and 689,739.12 is: 952,098.82
Step by Step Solution
- Step 1: Write the proportion equation
1,052,291.91 : 1,452,557.73 = 689,739.12 : x - Step 2: Convert to fraction form
1,052,291.91/1,452,557.73 = 689,739.12/x - Step 3: Cross multiply
1,052,291.91x = 1,452,557.73 × 689,739.12 - Step 4: Simplify right side
1,052,291.91x = 1,001,885,890,439.40 - Step 5: Solve for x
x = 1,001,885,890,439.40/1,052,291.91 - Step 6: Final answer
x = 952,098.82
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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.