Finding the Fourth Proportional to 1,349,113.56, 1,860,898.15 and 864,911.76
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Solution
The fourth proportional to 1,349,113.56, 1,860,898.15 and 864,911.76 is: 1,193,014.99
Step by Step Solution
- Step 1: Write the proportion equation
1,349,113.56 : 1,860,898.15 = 864,911.76 : x - Step 2: Convert to fraction form
1,349,113.56/1,860,898.15 = 864,911.76/x - Step 3: Cross multiply
1,349,113.56x = 1,860,898.15 × 864,911.76 - Step 4: Simplify right side
1,349,113.56x = 1,609,512,694,097.24 - Step 5: Solve for x
x = 1,609,512,694,097.24/1,349,113.56 - Step 6: Final answer
x = 1,193,014.99
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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.