Finding the Fourth Proportional to 1,190,106.17, 1,642,341.32 and 646,237.54
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Solution
The fourth proportional to 1,190,106.17, 1,642,341.32 and 646,237.54 is: 891,804.99
Step by Step Solution
- Step 1: Write the proportion equation
1,190,106.17 : 1,642,341.32 = 646,237.54 : x - Step 2: Convert to fraction form
1,190,106.17/1,642,341.32 = 646,237.54/x - Step 3: Cross multiply
1,190,106.17x = 1,642,341.32 × 646,237.54 - Step 4: Simplify right side
1,190,106.17x = 1,061,342,615,722.28 - Step 5: Solve for x
x = 1,061,342,615,722.28/1,190,106.17 - Step 6: Final answer
x = 891,804.99
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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.