Finding the Fourth Proportional to 1,246,811.60, 1,720,618.44 and 710,256.08
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Solution
The fourth proportional to 1,246,811.60, 1,720,618.44 and 710,256.08 is: 980,163.89
Step by Step Solution
- Step 1: Write the proportion equation
1,246,811.60 : 1,720,618.44 = 710,256.08 : x - Step 2: Convert to fraction form
1,246,811.60/1,720,618.44 = 710,256.08/x - Step 3: Cross multiply
1,246,811.60x = 1,720,618.44 × 710,256.08 - Step 4: Simplify right side
1,246,811.60x = 1,222,079,708,370.12 - Step 5: Solve for x
x = 1,222,079,708,370.12/1,246,811.60 - Step 6: Final answer
x = 980,163.89
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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.