Finding the Fourth Proportional to 1,132,788.93, 1,698,778.62 and 374,490.42
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Solution
The fourth proportional to 1,132,788.93, 1,698,778.62 and 374,490.42 is: 561,601.81
Step by Step Solution
- Step 1: Write the proportion equation
1,132,788.93 : 1,698,778.62 = 374,490.42 : x - Step 2: Convert to fraction form
1,132,788.93/1,698,778.62 = 374,490.42/x - Step 3: Cross multiply
1,132,788.93x = 1,698,778.62 × 374,490.42 - Step 4: Simplify right side
1,132,788.93x = 636,176,318,890.82 - Step 5: Solve for x
x = 636,176,318,890.82/1,132,788.93 - Step 6: Final answer
x = 561,601.81
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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.