Finding the Fourth Proportional to 1,240,177.08, 1,860,531.25 and 430,586.81
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Solution
The fourth proportional to 1,240,177.08, 1,860,531.25 and 430,586.81 is: 645,972.44
Step by Step Solution
- Step 1: Write the proportion equation
1,240,177.08 : 1,860,531.25 = 430,586.81 : x - Step 2: Convert to fraction form
1,240,177.08/1,860,531.25 = 430,586.81/x - Step 3: Cross multiply
1,240,177.08x = 1,860,531.25 × 430,586.81 - Step 4: Simplify right side
1,240,177.08x = 801,120,217,269.75 - Step 5: Solve for x
x = 801,120,217,269.75/1,240,177.08 - Step 6: Final answer
x = 645,972.44
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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.