Finding the Fourth Proportional to 1,201,685.10, 1,658,330.01 and 657,871.49
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Solution
The fourth proportional to 1,201,685.10, 1,658,330.01 and 657,871.49 is: 907,865.15
Step by Step Solution
- Step 1: Write the proportion equation
1,201,685.10 : 1,658,330.01 = 657,871.49 : x - Step 2: Convert to fraction form
1,201,685.10/1,658,330.01 = 657,871.49/x - Step 3: Cross multiply
1,201,685.10x = 1,658,330.01 × 657,871.49 - Step 4: Simplify right side
1,201,685.10x = 1,090,968,026,298.76 - Step 5: Solve for x
x = 1,090,968,026,298.76/1,201,685.10 - Step 6: Final answer
x = 907,865.15
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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.