Finding the Fourth Proportional to 1,135,263.81, 1,699,495.50 and 1,094,888.76
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Solution
The fourth proportional to 1,135,263.81, 1,699,495.50 and 1,094,888.76 is: 1,639,053.85
Step by Step Solution
- Step 1: Write the proportion equation
1,135,263.81 : 1,699,495.50 = 1,094,888.76 : x - Step 2: Convert to fraction form
1,135,263.81/1,699,495.50 = 1,094,888.76/x - Step 3: Cross multiply
1,135,263.81x = 1,699,495.50 × 1,094,888.76 - Step 4: Simplify right side
1,135,263.81x = 1,860,758,520,620.58 - Step 5: Solve for x
x = 1,860,758,520,620.58/1,135,263.81 - Step 6: Final answer
x = 1,639,053.85
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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.