Finding the Fourth Proportional to 1,190,173.44, 1,641,718.08 and 706,419.84
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Solution
The fourth proportional to 1,190,173.44, 1,641,718.08 and 706,419.84 is: 974,431.28
Step by Step Solution
- Step 1: Write the proportion equation
1,190,173.44 : 1,641,718.08 = 706,419.84 : x - Step 2: Convert to fraction form
1,190,173.44/1,641,718.08 = 706,419.84/x - Step 3: Cross multiply
1,190,173.44x = 1,641,718.08 × 706,419.84 - Step 4: Simplify right side
1,190,173.44x = 1,159,742,223,398.71 - Step 5: Solve for x
x = 1,159,742,223,398.71/1,190,173.44 - Step 6: Final answer
x = 974,431.28
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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.