Finding the Fourth Proportional to 1,345,397.58, 2,018,503.80 and 480,719.28
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Solution
The fourth proportional to 1,345,397.58, 2,018,503.80 and 480,719.28 is: 721,224.50
Step by Step Solution
- Step 1: Write the proportion equation
1,345,397.58 : 2,018,503.80 = 480,719.28 : x - Step 2: Convert to fraction form
1,345,397.58/2,018,503.80 = 480,719.28/x - Step 3: Cross multiply
1,345,397.58x = 2,018,503.80 × 480,719.28 - Step 4: Simplify right side
1,345,397.58x = 970,333,693,413.26 - Step 5: Solve for x
x = 970,333,693,413.26/1,345,397.58 - Step 6: Final answer
x = 721,224.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.