Finding the Fourth Proportional to 1,122,858.66, 1,549,548.99 and 613,561.04
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Solution
The fourth proportional to 1,122,858.66, 1,549,548.99 and 613,561.04 is: 846,716.44
Step by Step Solution
- Step 1: Write the proportion equation
1,122,858.66 : 1,549,548.99 = 613,561.04 : x - Step 2: Convert to fraction form
1,122,858.66/1,549,548.99 = 613,561.04/x - Step 3: Cross multiply
1,122,858.66x = 1,549,548.99 × 613,561.04 - Step 4: Simplify right side
1,122,858.66x = 950,742,887,898.41 - Step 5: Solve for x
x = 950,742,887,898.41/1,122,858.66 - Step 6: Final answer
x = 846,716.44
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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.