Finding the Fourth Proportional to 1,238,767.08, 1,709,147.08 and 722,543.48
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Solution
The fourth proportional to 1,238,767.08, 1,709,147.08 and 722,543.48 is: 996,904.99
Step by Step Solution
- Step 1: Write the proportion equation
1,238,767.08 : 1,709,147.08 = 722,543.48 : x - Step 2: Convert to fraction form
1,238,767.08/1,709,147.08 = 722,543.48/x - Step 3: Cross multiply
1,238,767.08x = 1,709,147.08 × 722,543.48 - Step 4: Simplify right side
1,238,767.08x = 1,234,933,079,015.04 - Step 5: Solve for x
x = 1,234,933,079,015.04/1,238,767.08 - Step 6: Final answer
x = 996,904.99
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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.