Finding the Fourth Proportional to 1,201,926.54, 1,658,592.90 and 657,957.08
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Solution
The fourth proportional to 1,201,926.54, 1,658,592.90 and 657,957.08 is: 907,944.79
Step by Step Solution
- Step 1: Write the proportion equation
1,201,926.54 : 1,658,592.90 = 657,957.08 : x - Step 2: Convert to fraction form
1,201,926.54/1,658,592.90 = 657,957.08/x - Step 3: Cross multiply
1,201,926.54x = 1,658,592.90 × 657,957.08 - Step 4: Simplify right side
1,201,926.54x = 1,091,282,941,392.73 - Step 5: Solve for x
x = 1,091,282,941,392.73/1,201,926.54 - Step 6: Final answer
x = 907,944.79
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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.