Finding the Fourth Proportional to 1,282,652.54, 1,769,289.28 and 847,073.90
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Solution
The fourth proportional to 1,282,652.54, 1,769,289.28 and 847,073.90 is: 1,168,452.65
Step by Step Solution
- Step 1: Write the proportion equation
1,282,652.54 : 1,769,289.28 = 847,073.90 : x - Step 2: Convert to fraction form
1,282,652.54/1,769,289.28 = 847,073.90/x - Step 3: Cross multiply
1,282,652.54x = 1,769,289.28 × 847,073.90 - Step 4: Simplify right side
1,282,652.54x = 1,498,718,759,673.66 - Step 5: Solve for x
x = 1,498,718,759,673.66/1,282,652.54 - Step 6: Final answer
x = 1,168,452.65
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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.