Finding the Fourth Proportional to 1,132,840.79, 1,698,856.44 and 374,542.28
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Solution
The fourth proportional to 1,132,840.79, 1,698,856.44 and 374,542.28 is: 561,679.60
Step by Step Solution
- Step 1: Write the proportion equation
1,132,840.79 : 1,698,856.44 = 374,542.28 : x - Step 2: Convert to fraction form
1,132,840.79/1,698,856.44 = 374,542.28/x - Step 3: Cross multiply
1,132,840.79x = 1,698,856.44 × 374,542.28 - Step 4: Simplify right side
1,132,840.79x = 636,293,560,902.18 - Step 5: Solve for x
x = 636,293,560,902.18/1,132,840.79 - Step 6: Final answer
x = 561,679.60
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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.