Finding the Fourth Proportional to 1,101,170.36, 1,518,006.38 and 778,310.84
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Solution
The fourth proportional to 1,101,170.36, 1,518,006.38 and 778,310.84 is: 1,072,931.91
Step by Step Solution
- Step 1: Write the proportion equation
1,101,170.36 : 1,518,006.38 = 778,310.84 : x - Step 2: Convert to fraction form
1,101,170.36/1,518,006.38 = 778,310.84/x - Step 3: Cross multiply
1,101,170.36x = 1,518,006.38 × 778,310.84 - Step 4: Simplify right side
1,101,170.36x = 1,181,480,820,743.16 - Step 5: Solve for x
x = 1,181,480,820,743.16/1,101,170.36 - Step 6: Final answer
x = 1,072,931.91
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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.