Finding the Fourth Proportional to 1,178,175.48, 1,626,840.95 and 960,418.32
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Solution
The fourth proportional to 1,178,175.48, 1,626,840.95 and 960,418.32 is: 1,326,158.86
Step by Step Solution
- Step 1: Write the proportion equation
1,178,175.48 : 1,626,840.95 = 960,418.32 : x - Step 2: Convert to fraction form
1,178,175.48/1,626,840.95 = 960,418.32/x - Step 3: Cross multiply
1,178,175.48x = 1,626,840.95 × 960,418.32 - Step 4: Simplify right side
1,178,175.48x = 1,562,447,852,106.20 - Step 5: Solve for x
x = 1,562,447,852,106.20/1,178,175.48 - Step 6: Final answer
x = 1,326,158.86
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1.5x scale
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.