Finding the Fourth Proportional to 1,219,673.68, 1,683,212.16 and 736,232.56
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Solution
The fourth proportional to 1,219,673.68, 1,683,212.16 and 736,232.56 is: 1,016,038.65
Step by Step Solution
- Step 1: Write the proportion equation
1,219,673.68 : 1,683,212.16 = 736,232.56 : x - Step 2: Convert to fraction form
1,219,673.68/1,683,212.16 = 736,232.56/x - Step 3: Cross multiply
1,219,673.68x = 1,683,212.16 × 736,232.56 - Step 4: Simplify right side
1,219,673.68x = 1,239,235,597,579.93 - Step 5: Solve for x
x = 1,239,235,597,579.93/1,219,673.68 - Step 6: Final answer
x = 1,016,038.65
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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.