Finding the Fourth Proportional to 1,122,368.24, 1,683,801.13 and 323,587.45
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Solution
The fourth proportional to 1,122,368.24, 1,683,801.13 and 323,587.45 is: 485,452.90
Step by Step Solution
- Step 1: Write the proportion equation
1,122,368.24 : 1,683,801.13 = 323,587.45 : x - Step 2: Convert to fraction form
1,122,368.24/1,683,801.13 = 323,587.45/x - Step 3: Cross multiply
1,122,368.24x = 1,683,801.13 × 323,587.45 - Step 4: Simplify right side
1,122,368.24x = 544,856,913,963.82 - Step 5: Solve for x
x = 544,856,913,963.82/1,122,368.24 - Step 6: Final answer
x = 485,452.90
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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.