Finding the Fourth Proportional to 1,134,175.12, 1,565,160.81 and 624,877.49
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Solution
The fourth proportional to 1,134,175.12, 1,565,160.81 and 624,877.49 is: 862,330.47
Step by Step Solution
- Step 1: Write the proportion equation
1,134,175.12 : 1,565,160.81 = 624,877.49 : x - Step 2: Convert to fraction form
1,134,175.12/1,565,160.81 = 624,877.49/x - Step 3: Cross multiply
1,134,175.12x = 1,565,160.81 × 624,877.49 - Step 4: Simplify right side
1,134,175.12x = 978,033,763,483.71 - Step 5: Solve for x
x = 978,033,763,483.71/1,134,175.12 - Step 6: Final answer
x = 862,330.47
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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.