Finding the Fourth Proportional to 1,014,909.26, 1,400,574.66 and 556,040.12
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Solution
The fourth proportional to 1,014,909.26, 1,400,574.66 and 556,040.12 is: 767,335.30
Step by Step Solution
- Step 1: Write the proportion equation
1,014,909.26 : 1,400,574.66 = 556,040.12 : x - Step 2: Convert to fraction form
1,014,909.26/1,400,574.66 = 556,040.12/x - Step 3: Cross multiply
1,014,909.26x = 1,400,574.66 × 556,040.12 - Step 4: Simplify right side
1,014,909.26x = 778,775,702,015.36 - Step 5: Solve for x
x = 778,775,702,015.36/1,014,909.26 - Step 6: Final answer
x = 767,335.30
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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.