Finding the Fourth Proportional to 1,132,698.75, 1,563,124.68 and 623,390.19
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Solution
The fourth proportional to 1,132,698.75, 1,563,124.68 and 623,390.19 is: 860,278.69
Step by Step Solution
- Step 1: Write the proportion equation
1,132,698.75 : 1,563,124.68 = 623,390.19 : x - Step 2: Convert to fraction form
1,132,698.75/1,563,124.68 = 623,390.19/x - Step 3: Cross multiply
1,132,698.75x = 1,563,124.68 × 623,390.19 - Step 4: Simplify right side
1,132,698.75x = 974,436,591,258.89 - Step 5: Solve for x
x = 974,436,591,258.89/1,132,698.75 - Step 6: Final answer
x = 860,278.69
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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.