Finding the Fourth Proportional to 1,361,437.80, 1,878,753.06 and 852,420.84
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Solution
The fourth proportional to 1,361,437.80, 1,878,753.06 and 852,420.84 is: 1,176,321.28
Step by Step Solution
- Step 1: Write the proportion equation
1,361,437.80 : 1,878,753.06 = 852,420.84 : x - Step 2: Convert to fraction form
1,361,437.80/1,878,753.06 = 852,420.84/x - Step 3: Cross multiply
1,361,437.80x = 1,878,753.06 × 852,420.84 - Step 4: Simplify right side
1,361,437.80x = 1,601,488,261,557.77 - Step 5: Solve for x
x = 1,601,488,261,557.77/1,361,437.80 - Step 6: Final answer
x = 1,176,321.28
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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.