Finding the Fourth Proportional to 1,201,192.84, 1,657,646.24 and 657,328.60
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Solution
The fourth proportional to 1,201,192.84, 1,657,646.24 and 657,328.60 is: 907,113.53
Step by Step Solution
- Step 1: Write the proportion equation
1,201,192.84 : 1,657,646.24 = 657,328.60 : x - Step 2: Convert to fraction form
1,201,192.84/1,657,646.24 = 657,328.60/x - Step 3: Cross multiply
1,201,192.84x = 1,657,646.24 × 657,328.60 - Step 4: Simplify right side
1,201,192.84x = 1,089,618,281,019.88 - Step 5: Solve for x
x = 1,089,618,281,019.88/1,201,192.84 - Step 6: Final answer
x = 907,113.53
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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.