Finding the Fourth Proportional to 1,067,756.40, 1,602,541.80 and 437,122.80
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Solution
The fourth proportional to 1,067,756.40, 1,602,541.80 and 437,122.80 is: 656,055.59
Step by Step Solution
- Step 1: Write the proportion equation
1,067,756.40 : 1,602,541.80 = 437,122.80 : x - Step 2: Convert to fraction form
1,067,756.40/1,602,541.80 = 437,122.80/x - Step 3: Cross multiply
1,067,756.40x = 1,602,541.80 × 437,122.80 - Step 4: Simplify right side
1,067,756.40x = 700,507,558,733.04 - Step 5: Solve for x
x = 700,507,558,733.04/1,067,756.40 - Step 6: Final answer
x = 656,055.59
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1.5x scale
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.