Finding the Fourth Proportional to 1,201,557.24, 1,658,149.56 and 657,695.88
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Solution
The fourth proportional to 1,201,557.24, 1,658,149.56 and 657,695.88 is: 907,620.63
Step by Step Solution
- Step 1: Write the proportion equation
1,201,557.24 : 1,658,149.56 = 657,695.88 : x - Step 2: Convert to fraction form
1,201,557.24/1,658,149.56 = 657,695.88/x - Step 3: Cross multiply
1,201,557.24x = 1,658,149.56 × 657,695.88 - Step 4: Simplify right side
1,201,557.24x = 1,090,558,134,035.81 - Step 5: Solve for x
x = 1,090,558,134,035.81/1,201,557.24 - Step 6: Final answer
x = 907,620.63
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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.