Finding the Fourth Proportional to 1,423,571.83, 1,964,529.06 and 778,992.08
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Solution
The fourth proportional to 1,423,571.83, 1,964,529.06 and 778,992.08 is: 1,075,009.03
Step by Step Solution
- Step 1: Write the proportion equation
1,423,571.83 : 1,964,529.06 = 778,992.08 : x - Step 2: Convert to fraction form
1,423,571.83/1,964,529.06 = 778,992.08/x - Step 3: Cross multiply
1,423,571.83x = 1,964,529.06 × 778,992.08 - Step 4: Simplify right side
1,423,571.83x = 1,530,352,578,669.84 - Step 5: Solve for x
x = 1,530,352,578,669.84/1,423,571.83 - Step 6: Final answer
x = 1,075,009.03
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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.