Finding the Fourth Proportional to 1,472,975.20, 2,032,469.58 and 828,393.40
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Solution
The fourth proportional to 1,472,975.20, 2,032,469.58 and 828,393.40 is: 1,143,050.06
Step by Step Solution
- Step 1: Write the proportion equation
1,472,975.20 : 2,032,469.58 = 828,393.40 : x - Step 2: Convert to fraction form
1,472,975.20/2,032,469.58 = 828,393.40/x - Step 3: Cross multiply
1,472,975.20x = 2,032,469.58 × 828,393.40 - Step 4: Simplify right side
1,472,975.20x = 1,683,684,385,772.77 - Step 5: Solve for x
x = 1,683,684,385,772.77/1,472,975.20 - Step 6: Final answer
x = 1,143,050.06
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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.