Finding the Fourth Proportional to 1,134,243.36, 1,565,261.28 and 624,944.52
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Solution
The fourth proportional to 1,134,243.36, 1,565,261.28 and 624,944.52 is: 862,426.44
Step by Step Solution
- Step 1: Write the proportion equation
1,134,243.36 : 1,565,261.28 = 624,944.52 : x - Step 2: Convert to fraction form
1,134,243.36/1,565,261.28 = 624,944.52/x - Step 3: Cross multiply
1,134,243.36x = 1,565,261.28 × 624,944.52 - Step 4: Simplify right side
1,134,243.36x = 978,201,459,304.19 - Step 5: Solve for x
x = 978,201,459,304.19/1,134,243.36 - Step 6: Final answer
x = 862,426.44
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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.