Finding the Fourth Proportional to 1,017,173.76, 1,403,652.48 and 564,460.80
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Solution
The fourth proportional to 1,017,173.76, 1,403,652.48 and 564,460.80 is: 778,929.65
Step by Step Solution
- Step 1: Write the proportion equation
1,017,173.76 : 1,403,652.48 = 564,460.80 : x - Step 2: Convert to fraction form
1,017,173.76/1,403,652.48 = 564,460.80/x - Step 3: Cross multiply
1,017,173.76x = 1,403,652.48 × 564,460.80 - Step 4: Simplify right side
1,017,173.76x = 792,306,801,782.78 - Step 5: Solve for x
x = 792,306,801,782.78/1,017,173.76 - Step 6: Final answer
x = 778,929.65
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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.