Finding the Fourth Proportional to 1,153,177.79, 1,729,932.08 and 354,526.40
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Solution
The fourth proportional to 1,153,177.79, 1,729,932.08 and 354,526.40 is: 531,840.44
Step by Step Solution
- Step 1: Write the proportion equation
1,153,177.79 : 1,729,932.08 = 354,526.40 : x - Step 2: Convert to fraction form
1,153,177.79/1,729,932.08 = 354,526.40/x - Step 3: Cross multiply
1,153,177.79x = 1,729,932.08 × 354,526.40 - Step 4: Simplify right side
1,153,177.79x = 613,306,584,803.57 - Step 5: Solve for x
x = 613,306,584,803.57/1,153,177.79 - Step 6: Final answer
x = 531,840.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.