Finding the Fourth Proportional to 1,017,186.76, 1,403,670.42 and 564,473.80
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Solution
The fourth proportional to 1,017,186.76, 1,403,670.42 and 564,473.80 is: 778,947.59
Step by Step Solution
- Step 1: Write the proportion equation
1,017,186.76 : 1,403,670.42 = 564,473.80 : x - Step 2: Convert to fraction form
1,017,186.76/1,403,670.42 = 564,473.80/x - Step 3: Cross multiply
1,017,186.76x = 1,403,670.42 × 564,473.80 - Step 4: Simplify right side
1,017,186.76x = 792,335,175,925.00 - Step 5: Solve for x
x = 792,335,175,925.00/1,017,186.76 - Step 6: Final answer
x = 778,947.59
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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.