Finding the Fourth Proportional to 1,245,655.68, 1,719,008.64 and 722,467.68
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Solution
The fourth proportional to 1,245,655.68, 1,719,008.64 and 722,467.68 is: 997,007.60
Step by Step Solution
- Step 1: Write the proportion equation
1,245,655.68 : 1,719,008.64 = 722,467.68 : x - Step 2: Convert to fraction form
1,245,655.68/1,719,008.64 = 722,467.68/x - Step 3: Cross multiply
1,245,655.68x = 1,719,008.64 × 722,467.68 - Step 4: Simplify right side
1,245,655.68x = 1,241,928,184,040.76 - Step 5: Solve for x
x = 1,241,928,184,040.76/1,245,655.68 - Step 6: Final answer
x = 997,007.60
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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.