Finding the Fourth Proportional to 1,360,247.31, 1,877,157.18 and 779,458.95
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Solution
The fourth proportional to 1,360,247.31, 1,877,157.18 and 779,458.95 is: 1,075,662.46
Step by Step Solution
- Step 1: Write the proportion equation
1,360,247.31 : 1,877,157.18 = 779,458.95 : x - Step 2: Convert to fraction form
1,360,247.31/1,877,157.18 = 779,458.95/x - Step 3: Cross multiply
1,360,247.31x = 1,877,157.18 × 779,458.95 - Step 4: Simplify right side
1,360,247.31x = 1,463,166,964,507.76 - Step 5: Solve for x
x = 1,463,166,964,507.76/1,360,247.31 - Step 6: Final answer
x = 1,075,662.46
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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.