Finding the Fourth Proportional to 845,436.08, 1,259,919.46 and 819,804.08
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Solution
The fourth proportional to 845,436.08, 1,259,919.46 and 819,804.08 is: 1,221,721.12
Step by Step Solution
- Step 1: Write the proportion equation
845,436.08 : 1,259,919.46 = 819,804.08 : x - Step 2: Convert to fraction form
845,436.08/1,259,919.46 = 819,804.08/x - Step 3: Cross multiply
845,436.08x = 1,259,919.46 × 819,804.08 - Step 4: Simplify right side
845,436.08x = 1,032,887,113,779.40 - Step 5: Solve for x
x = 1,032,887,113,779.40/845,436.08 - Step 6: Final answer
x = 1,221,721.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.