Finding the Fourth Proportional to 1,009,163.68, 1,392,616.08 and 556,454.56
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Solution
The fourth proportional to 1,009,163.68, 1,392,616.08 and 556,454.56 is: 767,890.86
Step by Step Solution
- Step 1: Write the proportion equation
1,009,163.68 : 1,392,616.08 = 556,454.56 : x - Step 2: Convert to fraction form
1,009,163.68/1,392,616.08 = 556,454.56/x - Step 3: Cross multiply
1,009,163.68x = 1,392,616.08 × 556,454.56 - Step 4: Simplify right side
1,009,163.68x = 774,927,568,045.33 - Step 5: Solve for x
x = 774,927,568,045.33/1,009,163.68 - Step 6: Final answer
x = 767,890.86
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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.