Finding the Fourth Proportional to 1,424,944.14, 1,966,425.90 and 771,577.32
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Solution
The fourth proportional to 1,424,944.14, 1,966,425.90 and 771,577.32 is: 1,064,778.32
Step by Step Solution
- Step 1: Write the proportion equation
1,424,944.14 : 1,966,425.90 = 771,577.32 : x - Step 2: Convert to fraction form
1,424,944.14/1,966,425.90 = 771,577.32/x - Step 3: Cross multiply
1,424,944.14x = 1,966,425.90 × 771,577.32 - Step 4: Simplify right side
1,424,944.14x = 1,517,249,625,900.59 - Step 5: Solve for x
x = 1,517,249,625,900.59/1,424,944.14 - Step 6: Final answer
x = 1,064,778.32
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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.