Finding the Fourth Proportional to 1,299,416.24, 1,793,415.84 and 755,867.18
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Solution
The fourth proportional to 1,299,416.24, 1,793,415.84 and 755,867.18 is: 1,043,225.51
Step by Step Solution
- Step 1: Write the proportion equation
1,299,416.24 : 1,793,415.84 = 755,867.18 : x - Step 2: Convert to fraction form
1,299,416.24/1,793,415.84 = 755,867.18/x - Step 3: Cross multiply
1,299,416.24x = 1,793,415.84 × 755,867.18 - Step 4: Simplify right side
1,299,416.24x = 1,355,584,173,548.13 - Step 5: Solve for x
x = 1,355,584,173,548.13/1,299,416.24 - Step 6: Final answer
x = 1,043,225.51
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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.