Finding the Fourth Proportional to 1,121,326.40, 1,549,454.58 and 798,475.99
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Solution
The fourth proportional to 1,121,326.40, 1,549,454.58 and 798,475.99 is: 1,103,338.22
Step by Step Solution
- Step 1: Write the proportion equation
1,121,326.40 : 1,549,454.58 = 798,475.99 : x - Step 2: Convert to fraction form
1,121,326.40/1,549,454.58 = 798,475.99/x - Step 3: Cross multiply
1,121,326.40x = 1,549,454.58 × 798,475.99 - Step 4: Simplify right side
1,121,326.40x = 1,237,202,279,725.53 - Step 5: Solve for x
x = 1,237,202,279,725.53/1,121,326.40 - Step 6: Final answer
x = 1,103,338.22
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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.