Finding the Fourth Proportional to 1,121,338.66, 1,549,471.53 and 798,488.26
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Solution
The fourth proportional to 1,121,338.66, 1,549,471.53 and 798,488.26 is: 1,103,355.19
Step by Step Solution
- Step 1: Write the proportion equation
1,121,338.66 : 1,549,471.53 = 798,488.26 : x - Step 2: Convert to fraction form
1,121,338.66/1,549,471.53 = 798,488.26/x - Step 3: Cross multiply
1,121,338.66x = 1,549,471.53 × 798,488.26 - Step 4: Simplify right side
1,121,338.66x = 1,237,234,825,909.24 - Step 5: Solve for x
x = 1,237,234,825,909.24/1,121,338.66 - Step 6: Final answer
x = 1,103,355.19
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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.