Finding the Fourth Proportional to 1,317,256.44, 1,975,441.86 and 518,328.60
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Solution
The fourth proportional to 1,317,256.44, 1,975,441.86 and 518,328.60 is: 777,318.66
Step by Step Solution
- Step 1: Write the proportion equation
1,317,256.44 : 1,975,441.86 = 518,328.60 : x - Step 2: Convert to fraction form
1,317,256.44/1,975,441.86 = 518,328.60/x - Step 3: Cross multiply
1,317,256.44x = 1,975,441.86 × 518,328.60 - Step 4: Simplify right side
1,317,256.44x = 1,023,928,013,675.20 - Step 5: Solve for x
x = 1,023,928,013,675.20/1,317,256.44 - Step 6: Final answer
x = 777,318.66
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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.