Finding the Fourth Proportional to 1,180,858.05, 1,629,531.68 and 657,595.65
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Solution
The fourth proportional to 1,180,858.05, 1,629,531.68 and 657,595.65 is: 907,452.80
Step by Step Solution
- Step 1: Write the proportion equation
1,180,858.05 : 1,629,531.68 = 657,595.65 : x - Step 2: Convert to fraction form
1,180,858.05/1,629,531.68 = 657,595.65/x - Step 3: Cross multiply
1,180,858.05x = 1,629,531.68 × 657,595.65 - Step 4: Simplify right side
1,180,858.05x = 1,071,572,944,305.19 - Step 5: Solve for x
x = 1,071,572,944,305.19/1,180,858.05 - Step 6: Final answer
x = 907,452.80
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1.5x scale
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.