Finding the Fourth Proportional to 1,201,925.53, 1,658,591.52 and 657,956.09
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Solution
The fourth proportional to 1,201,925.53, 1,658,591.52 and 657,956.09 is: 907,943.43
Step by Step Solution
- Step 1: Write the proportion equation
1,201,925.53 : 1,658,591.52 = 657,956.09 : x - Step 2: Convert to fraction form
1,201,925.53/1,658,591.52 = 657,956.09/x - Step 3: Cross multiply
1,201,925.53x = 1,658,591.52 × 657,956.09 - Step 4: Simplify right side
1,201,925.53x = 1,091,280,391,406.36 - Step 5: Solve for x
x = 1,091,280,391,406.36/1,201,925.53 - Step 6: Final answer
x = 907,943.43
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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.