Finding the Fourth Proportional to 1,421,462.44, 1,961,589.04 and 776,887.26
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Solution
The fourth proportional to 1,421,462.44, 1,961,589.04 and 776,887.26 is: 1,072,088.50
Step by Step Solution
- Step 1: Write the proportion equation
1,421,462.44 : 1,961,589.04 = 776,887.26 : x - Step 2: Convert to fraction form
1,421,462.44/1,961,589.04 = 776,887.26/x - Step 3: Cross multiply
1,421,462.44x = 1,961,589.04 × 776,887.26 - Step 4: Simplify right side
1,421,462.44x = 1,523,933,534,531.63 - Step 5: Solve for x
x = 1,523,933,534,531.63/1,421,462.44 - Step 6: Final answer
x = 1,072,088.50
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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.