Finding the Fourth Proportional to 1,346,707.68, 1,858,455.60 and 863,272.56
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Solution
The fourth proportional to 1,346,707.68, 1,858,455.60 and 863,272.56 is: 1,191,315.49
Step by Step Solution
- Step 1: Write the proportion equation
1,346,707.68 : 1,858,455.60 = 863,272.56 : x - Step 2: Convert to fraction form
1,346,707.68/1,858,455.60 = 863,272.56/x - Step 3: Cross multiply
1,346,707.68x = 1,858,455.60 × 863,272.56 - Step 4: Simplify right side
1,346,707.68x = 1,604,353,723,458.34 - Step 5: Solve for x
x = 1,604,353,723,458.34/1,346,707.68 - Step 6: Final answer
x = 1,191,315.49
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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.