Finding the Fourth Proportional to 1,118,671.97, 1,543,694.56 and 659,681.26
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Solution
The fourth proportional to 1,118,671.97, 1,543,694.56 and 659,681.26 is: 910,317.24
Step by Step Solution
- Step 1: Write the proportion equation
1,118,671.97 : 1,543,694.56 = 659,681.26 : x - Step 2: Convert to fraction form
1,118,671.97/1,543,694.56 = 659,681.26/x - Step 3: Cross multiply
1,118,671.97x = 1,543,694.56 × 659,681.26 - Step 4: Simplify right side
1,118,671.97x = 1,018,346,375,570.79 - Step 5: Solve for x
x = 1,018,346,375,570.79/1,118,671.97 - Step 6: Final answer
x = 910,317.24
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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.