Finding the Fourth Proportional to 1,307,442.24, 1,804,347.36 and 984,582.72
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Solution
The fourth proportional to 1,307,442.24, 1,804,347.36 and 984,582.72 is: 1,358,782.19
Step by Step Solution
- Step 1: Write the proportion equation
1,307,442.24 : 1,804,347.36 = 984,582.72 : x - Step 2: Convert to fraction form
1,307,442.24/1,804,347.36 = 984,582.72/x - Step 3: Cross multiply
1,307,442.24x = 1,804,347.36 × 984,582.72 - Step 4: Simplify right side
1,307,442.24x = 1,776,529,231,533.62 - Step 5: Solve for x
x = 1,776,529,231,533.62/1,307,442.24 - Step 6: Final answer
x = 1,358,782.19
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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.