Finding the Fourth Proportional to 1,334,117.21, 1,841,084.73 and 722,276.42
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Solution
The fourth proportional to 1,334,117.21, 1,841,084.73 and 722,276.42 is: 996,743.07
Step by Step Solution
- Step 1: Write the proportion equation
1,334,117.21 : 1,841,084.73 = 722,276.42 : x - Step 2: Convert to fraction form
1,334,117.21/1,841,084.73 = 722,276.42/x - Step 3: Cross multiply
1,334,117.21x = 1,841,084.73 × 722,276.42 - Step 4: Simplify right side
1,334,117.21x = 1,329,772,084,089.68 - Step 5: Solve for x
x = 1,329,772,084,089.68/1,334,117.21 - Step 6: Final answer
x = 996,743.07
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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.