Finding the Fourth Proportional to 1,009,183.68, 1,392,643.68 and 556,474.56
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Solution
The fourth proportional to 1,009,183.68, 1,392,643.68 and 556,474.56 is: 767,918.46
Step by Step Solution
- Step 1: Write the proportion equation
1,009,183.68 : 1,392,643.68 = 556,474.56 : x - Step 2: Convert to fraction form
1,009,183.68/1,392,643.68 = 556,474.56/x - Step 3: Cross multiply
1,009,183.68x = 1,392,643.68 × 556,474.56 - Step 4: Simplify right side
1,009,183.68x = 774,970,779,064.78 - Step 5: Solve for x
x = 774,970,779,064.78/1,009,183.68 - Step 6: Final answer
x = 767,918.46
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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.