Finding the Fourth Proportional to 1,098,405.84, 1,644,635.24 and 777,237.60
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Solution
The fourth proportional to 1,098,405.84, 1,644,635.24 and 777,237.60 is: 1,163,752.32
Step by Step Solution
- Step 1: Write the proportion equation
1,098,405.84 : 1,644,635.24 = 777,237.60 : x - Step 2: Convert to fraction form
1,098,405.84/1,644,635.24 = 777,237.60/x - Step 3: Cross multiply
1,098,405.84x = 1,644,635.24 × 777,237.60 - Step 4: Simplify right side
1,098,405.84x = 1,278,272,346,813.02 - Step 5: Solve for x
x = 1,278,272,346,813.02/1,098,405.84 - Step 6: Final answer
x = 1,163,752.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.